Abstract: A power steering fluid filter assembly having a housing defining an interior chamber, an upstream end and downstream end. The housing is substantially cylindrical having a substantially circular cross-section and longitudinal axis and at least one filter element through which fluid flowing through said housing passes. A plurality of inlet nozzles, each of which are selectively removable at the upstream end of the housing, the inlet nozzles having commonly sized cylindrical protrusions for fitting within the housing and differentially sized hose barbs for fitting within differentially sized hoses feeding power steering fluid to the housing. A plurality of outlet nozzles each of which are selectively removable at the downstream end of the housing, the outlet nozzles having commonly sized cylindrical protrusions for fitting within the housing and differentially sized hose barbs for fitting within differentially sized hoses through which power steering fluid exiting the housing passes.

Abstract: The invention relates to a device for separating solid materials out of liquids or gases and for discharging solid material. The device comprises a pressurised container and at least one filter element, the at least one filter element being arranged in a flexible container which is arranged in the pressurised container and is sealed tightly relative thereto. The pressurised container comprises at least one outlet for discharging the solid material and the flexible container comprises at least one discharge connection, the discharge connection of the flexible container being guided through the outlet of the pressurised container and sealed tightly relative to the pressurised container. In this case the outlet and the discharge connection of the flexible container can be closed and sealed by means of a closure mechanism relative to the environment outside the flexible container and the pressurised container.

Abstract: A refrigerant circulating apparatus for a vehicle, includes at least one heat exchanger configured to heat-exchange a refrigerant; at least one valve provided to selectively flow the refrigerant to the at least one heat exchanger; and a refrigerant distribution unit having a first surface on which the at least one heat exchanger and the at least one valve are provided and a second surface on which at least one flow path through which the refrigerant circulates through the at least one heat exchanger and the at least one valve is provided.

Abstract: Depth filters with optimized head space are provided, as well as methods of optimizing the head space in depth filters, and methods of filtration with depth filters having optimized head space, including clarification of flocculated feed streams where pretreatment may include any of lowering cell culture pH, addition of polymers (uncharged or charged), or addition of salts to precipitate out solubilized impurities resulting in high insoluble biomass.

Abstract: A sea strainer can include multiple strainers in a configuration for operation to supply strained sea water to a vessel's engines and to perform backflushing of one of the strainers while another of the strainers continues to provide strained sea water to the vessel's engines. A flush pump can be provided to pump water through the strainer to be backflushed as part of the flushing operation.

Abstract: A system and method for growing and maintaining biological material including producing a protein associated with the tissue, selecting cells associated with the tissue, expanding the cells, creating at least one tissue bio-ink including the expanded cells, printing the at least one tissue bio-ink in at least one tissue growth medium mixture, growing the tissue from the printed at least one tissue bio-ink, and maintaining viability of the tissue.

Abstract: A filter assembly comprises a housing, a filter element for filtering a fluid and positionable within the housing, and an expansion membrane assembly. The expansion membrane assembly fluidly separates and is positionable between the housing and the filter element. The membrane assembly extends along an inner surface, a top surface, and an outer surface of the housing.

Abstract: A filter assembly is disclosed comprising a filter cartridge, a filter housing end part, and a filter housing main part, said filter housing main part being adapted for receiving said filter cartridge and for being connected to the housing end part by screwing, wherein said filter housing main part comprises a first longitudinal axis and a main opening, said main opening being defined by a first end portion, said first end portion comprising an upper, interrupted rim and a first threaded portion arranged below said upper rim; said first end portion comprising a recess arrangement comprising one or more axially extending recesses, said one or more axially extending recesses at least partially interrupting said first threaded portion; said filter cartridge comprises a second longitudinal axis and a first end cap, said first end cap comprising a central portion and a radial extension arrangement comprising one or more radial extensions extending radially away from said central portion; and wherein said radial

Abstract: A water filter cartridge is provided. The water filter cartridge includes a filter housing enclosing a filtration material therein. A port shield is connected at one end of the filter housing and disposed between the filter housing and a connector part adapted for securing the water filter cartridge to a refrigerator filter part. The port shield is provided for at least partially covering a water inlet port and a water outlet port extending at least between the connector part through the port shield and at least partially through the filter housing. The port shield at least partially encloses the water inlet and/or water outlet port therebetween and also separates the filtration material and unfiltered water within the filter housing from the portions of the water inlet and outlet port within the port shield.

Abstract: This invention is a smart face mask with a transparent portion which covers a person's mouth, at least one impellor-driven air filter, and at least one passive air filter, wherein the air filters are in fluid communication with the space between the transparent portion and the person's mouth. Air can be drawn into the mask through the impellor-driven air filter primarily by the impellor, but air flows into or out of the mask through the passive air filter due to the person's respiration.

Abstract: A filtration device includes a holding portion having opposed flexible sides with first and second ends, and a filter having an axis corresponding approximately to an edge of the filter, where the axis is coplanar with a planar surface of the filter. The filter may be arranged between the opposed flexible sides, and the filter may be configured to rotate about the axis such that an angle is formed between the planar surface and one of the opposed flexible sides. The filter may be configured to divide the holding portion into first and second holding parts, where the first holding part and the second holding part may be configured to hold fluid received from the first end of the holding portion and filtrate corresponding to the fluid having passed through the filter, respectively. The filtrate may be configured to exit from an opening at the second end.

Abstract: A portable bottle for filtering drinking water is disclosed that includes a bottle having a threaded opening, a cover for cooperating with the threaded opening of the bottle and including a top wall having a plurality of internal engagement lugs depending downwardly from an interior surface of the top wall, a filter cartridge including an end cap having a circumferential side wall that includes a plurality of engagement ribs for cooperating with the engagement lugs of the cover, and a spout including a compressible circumferential flange configured to be positioned between the interior surface of the top wall of the cover and the upper surface the end cap of the filter cartridge to provide a resilient biasing force therebetween.

Abstract: A square ink filter vessel for a printing press, like a rotogravure printing press, a flexographic printing press, or other like printing presses, includes a container having a substantially rectangular shaped cross-section with an open top, an outlet port on one side approximate the bottom of the container, a sloped bottom, where the sloped bottom being toward the outlet port, an inlet port on one side approximate the top of the container, and an internal ledge. A lid is adapted to close the open top of the container. A hinge couples the lid to the container, where the lid is hinged to the container on one side. A lid compression device is adapted to compress the lid to the container. A containment basket is adapted to fit inside the container, and has a plurality of holes on all sides and a lip adapted to rest on the internal ledge of the container.

Abstract: A filter assembly includes a disposable filter body and a central support for the disposable filter body. Openings are provided in upper and lower ends of the disposable filter body for receiving a respective end of the central support. The filter assembly also includes a disposable filter cartridge, housed within the disposable filter body, and housing a filter member for filtering particulate contaminates from a flow of fluid through the filter assembly. The filter member is hollow and the disposable filter cartridge also includes an impermeable wall that extends axially through the filter member. The central support is separable from the disposable filter body and removable from the openings to allow disposal and replacement of the filter body and the filter cartridge during servicing.

Abstract: A filter element for a liquid filter is arranged in the liquid filter housing that has at least two housing parts such that an inlet of the housing for liquid to be filtered is separated from an outlet of the housing for filtered liquid. The filter element has a filter medium provided with a terminal disk. The terminal disk has a seal support for an outer radial annular seal that is to be clamped in a clamping area between the housing parts that are separable from each other. The seal support of the filter element has axially at least a base member and a cover member. The base member is fixedly connected to the terminal disk. The cover member is attached to the terminal disk, to the base member, or to terminal disk and base member. The annular seal is positioned between base member and cover member.

Abstract: Disclosed is a membrane separation device comprising a plurality of flat membrane elements (52) arranged in parallel to one another so as to form channels for a solution to be treated therebetween, and a collecting case (59) having a collecting space that is formed internally and communicates with filtrate flow channels of the membrane elements (52). The collecting case (59) includes a membrane element holder (53) having a plurality of slits, into which the sides of respective membrane elements (52) are inserted, and a stopper (58) which abuts on the membrane element holder (53) in the collecting case (59), and a filler (55) is provided in the slits to attach and watertightly seal between the membrane elements (52) and the membrane element holder (53).

Abstract: A fuel filter device is disclosed. The fuel filter device has a first member that includes a main body tubular portion and a first connection tubular portion for connecting the first member to a fuel pipe. The main body tubular portion includes a flow channel cross-section greater than that of the first connection tubular portion. The main body tubular portion includes a first end portion and a second end portion. The first connection tubular portion is disposed on the first end portion. An opening is provided through the second end portion. A filter element portion is accommodated in the main body tubular portion. A second member includes a lid portion and a second connection tubular portion for connecting the second member to a fuel pipe. The lid portion covers the opening of the main body tubular portion.

Abstract: A liquid filter assembly comprising a filter subassembly is inserted within an elongated tubular filter body, enclosed by a pair of end caps. The filter subassembly includes a plurality of filtration discs placed onto a tubular core and inner support member. A disc aperture is provided concentrically through each filtration disc. An outer filter support member and a central filter support member support each filtration disc. The outer filter support member engages with an interior of the elongated body and an end wall engages with the disc perimeter. The central filter support member engages with an exterior of the inner support member and an end wall engages with the peripheral edge about the filtration disc aperture. Fluid passes through the first end cap orifice, continuing through the inner support member, transferring flow through the filtration discs, returning through the inner support member, and exiting the opposite end cap orifice.

Abstract: A square ink filter vessel for a printing press, like a rotogravure printing press, a flexographic printing press, or other like printing presses, includes a container having a substantially rectangular shaped cross-section with an open top, an outlet port on one side approximate the bottom of the container, a sloped bottom, where the sloped bottom being toward the outlet port, an inlet port on one side approximate the top of the container, and an internal ledge. A lid is adapted to close the open top of the container. A hinge couples the lid to the container, where the lid is hinged to the container on one side. A lid compression device is adapted to compress the lid to the container. A containment basket is adapted to fit inside the container, and has a plurality of holes on all sides and a lip adapted to rest on the internal ledge of the container.

Abstract: A fuel pump apparatus for supplying fuel to an engine includes a lid member is formed divisionally from a first lid member having a fuel supply path, and a second lid member removably provided on the first lid member and having a fuel inflow path. A fuel filter is disposed between the first lid member and the second lid member. Since the fuel filter is built in the lid member, a protective case for protecting the fuel filter and a stay for attaching the fuel filter to a vehicle body are not required. The fuel pump apparatus so configured eliminates the requirement for a protective case for protecting a fuel filter and an attaching stay for attaching the fuel filter to a vehicle body and can achieve reduction of the cost.

Abstract: A filter device having a filter element (9) forming a body extending along a longitudinal axis received in a housing (1) closed by a cover part (3). A sealing arrangement (49) is provided to form a fluid-tight seal between the housing (1) and the cover part (3). The sealing arrangement (49) is a component of a filter element (9) and is fixed to a sealing carrier (48) rigidly connected to the filter element.

Abstract: An endcap includes a first plate member having a radial inner portion, a radial outer portion, and defining a longitudinal axis. The endcap also includes a flange disposed between the radial inner and outer portions, and projecting axially along the longitudinal axis in a first direction. The endcap also includes a first seal member disposed adjacent the flange. The first seal member includes a first portion engaged with an axial facing surface of the first plate member and a second portion engaged with a radially facing surface of the flange. The endcap further includes a second plate member disposed radially outward of the radial outer portion and a second seal member disposed adjacent the second plate member including at least a portion axially spaced from the axially facing surface of the first plate member in a second direction along the longitudinal axis opposite the first direction.

Abstract: The present invention provides a coolant demineralizer for a fuel cell vehicle, which removes ions, released from a pipe, from coolant of a fuel cell stack. In preferred embodiments, the present invention provides a coolant demineralizer suitably configured to reduce the occurrence of differential pressure due to an ion resin layer such that coolant can smoothly flow through a filter member, thereby increasing the effect of filtering ions and improving the efficiency of use of ion resin.

Abstract: An endcap including a first plate member including a radial inner portion, a radial outer portion, and defining a longitudinal axis. The endcap also includes a flange disposed between the radial inner and outer portions of the first plate member and projecting axially along the longitudinal axis in a first direction. The endcap also includes a first seal member disposed adjacent the flange. The first seal includes a first portion thereof engaged with an axial facing surface of the first plate member and a second portion thereof engaged with a radially facing surface of the flange. The endcap further includes a second plate member disposed radially outward of the radial outer portion and a second seal member disposed adjacent the second plate member including at least a portion thereof axially spaced from the axially facing surface of the first plate member in a second direction along the longitudinal axis opposite the first direction.

Abstract: The invention relates to a filtering device, comprising a tubular filter element and a carrier part, with the filter element fastened thereon. The carrier part can be inserted between an unfiltered fluid pipe and a filtered fluid pipe. The pipes can be assembled into a continuous flow pipe, wherein the filter element protrudes into the pipe interior.

Abstract: A spin-on filter that eliminates the use of a nut plate and reduces the number of separate components. Instead, the spin-on filter utilizes the end plate of the filter cartridge to perform a number of functions, including closing the open end of the filter shell, sealing between the dirty and clean fluid sides, sealing between the filter and the mounting head to prevent leakage outside the filter to environment, attaching the filter cartridge to the shell, and sealing the end of the filter media.

Abstract: A filter closure system has a connecting head with a connecting web and further has a connecting end at an end face of a filter housing. The connecting head and the connecting end are matched to one another. The connecting end is pushed onto the connecting head in a mounting direction into a mounted state on the connecting head so as provide a seal-tight connection in the mounted state. The connecting end and the connecting web that extends in the mounting direction are provided with a micro toothing. When pushing the connecting end onto the connecting head in the mounting direction, the micro toothing connects by positive locking action the connecting end and connecting head with one another. The engagement of the micro toothing between connecting end and connecting head is realized along a flank of connecting web and connecting end which flank extends in the mounting direction.

Abstract: An endcap including a first plate member including a radial inner portion, a radial outer portion, and defining a longitudinal axis. The endcap also includes a flange disposed between the radial inner and outer portions of the first plate member and projecting axially along the longitudinal axis in a first direction. The endcap also includes a first seal member disposed adjacent the flange. The first seal includes a first portion thereof engaged with an axial facing surface of the first plate member and a second portion thereof engaged with a radially facing surface of the flange. The endcap further includes a second plate member disposed radially outward of the radial outer portion and a second seal member disposed adjacent the second plate member including at least a portion thereof axially spaced from the axially facing surface of the first plate member in a second direction along the longitudinal axis opposite the first direction.

Abstract: A filter assembly for filtering particulate contaminants from a fluid comprises: a generally cylindrical filter unit with one end closed and the other end open; a filter head comprising a generally cylindrical sleeve extending generally horizontally an open end for receiving the open end of the filter unit with that has a vent port aligned with a vertical axis through an upper portion of the sleeve and a drain port aligned with the vertical axis extending through a lower portion of the sleeve; and a coupling for securing the open end of the filter unit to the filter head to seal the sleeve vent and drain ports; wherein loosening the coupling allows the filter unit to slide away from the filter head sufficiently to establish fluid communication between the sleeve vent and drain ports.

Abstract: A filter device includes a casing having an inlet for introducing fluid and an outlet for discharging fluid, and a filtering element disposed between the inlet and the outlet. The filtering element has an outer circumference face restricted from being deformed in a fluid flowing direction. The filtering element has an upstream end face on an upstream side in the fluid flowing direction, and a downstream end face on a downstream side in the fluid flowing direction. The filtering element is configured to be compressed toward the upstream end face by pressing the downstream end face.

Abstract: The filter device 10 according to the present invention is a device for filtering a polyolefin resin composition containing a polyolefin ingredient, wherein the device comprises a main body 10a having a flow passage 10b, a sintered metal filter 13 having a filtration accuracy of 1 to 100 ?m, a wire netting 14a having a line diameter of 0.01 to 0.25 mm and abutting the sintered metal filter 13 on one side thereof, and a supporting member 15 having a thickness of 10 to 100 mm and having a plurality of openings 15d with an aperture ratio of 30 to 60%; and the sintered metal filter 13, wherein the wire netting 14a and the supporting member 15 are disposed in this order from the upstream to the downstream of the flow passage 10b; and the sintered metal filter 13 is fixed to the main body 10a through the seal member 18.

Abstract: There is provided an apparatus (1) for filtering fluids comprising channelling means (2), a main body (3) connected to the channelling means (2) and defining internally a housing cavity (4) provided with an access mouth (5), and at least one filter element or device (6) housed in the housing cavity (4), the apparatus (1) comprising a base (7) suitable to support the main body (3) and coupling means (8) suitable to position the main body (3) above the base (7), the coupling means (8) also including a main hinge (10) suitable to allow rotation and overturning of the main body (3) with respect to the base (7).

Abstract: The present invention relates to a connecting element for hydraulic circuits. The device comprises a body provided with one channel having an inlet section and an outlet section, the channel being connectable with a fluid supply line, said body being further provided with an aperture which opens, to the outside, into a seat located in the channel. The devices also comprises a filter element insertable in a removable manner into the seat, through the aperture, in order to intercept the fluid in the channel. Advantageously the filter element is defined by at least two portions, coupled with angled or radiused joints to define an internal volume, one portion having a different geometry from the other.

Abstract: A blood filter device includes: a housing that includes a dome 2 provided with a blood inlet, a filter retaining portion 3 that is positioned below the dome, and a bottom portion 4 provided with a blood outlet; and a filter 8 that is mounted in a cavity of the filter retaining portion and partitions a cavity of the housing into a dome side and a bottom portion side. A sheet-like filter member 8a of the filter forms a plurality of pleats, and ridgelines of the respective pleats traverse the filter retaining portion in parallel respectively.

Abstract: A filter device includes a filtering member having a rough part, which is comparatively low in a density of flow pores for flowing fluid, and a dense part, which is comparatively high in the density of the flow pores. The filter device further includes a support member that supports the filtering member and has an inflow passage and a discharge passage. The dense part supports the rough part, and is located between the rough part and the discharge passage, and is supported by a mechanical pressure applied by the support members. The filter device is capable of supporting the filtering member easily in a case member and securing a filtering area to enhance the performance of removing a foreign matter.

Abstract: The present invention provides an oil pan with a built-in filtering element which does not easily receive influence of lateral swing of oil, which has high support rigidity of a filter, or which has excellent assembling operability of the filter, or which is light in weight as compared with a conventional oil pan. The oil pan P1 with a built-in filtering element has a filter 20. The filter 20 is provided therein with an oil flow path Q which is in communication with an oil pump. The filter 20 filters oil flowing toward the oil pump. An oil flow path includes a bottom flow path Qb having a flow path wall 7 extending along a bottom wall 5 of the oil pan, and a side flow path Qs having a flow path wall 8 extending along a first sidewall 1 of the oil pan. The first sidewall includes a drain hole 1h which opens at the bottom flow path and through which the filter can be inserted into the bottom flow path. The bottom flow path is provided with a filter retaining portion 7k which retains the inserted filter.

Abstract: Provided is a disposable multi-layered filtration device for the separation of blood plasma which can be applied to a biochip and appropriate for disposal uses. The filtration device for the separation of blood plasma includes: an upper substrate including a blood inlet; an intermediate substrate including a filtering unit for extracting blood plasma from blood flowing through the blood inlet; and a lower substrate including an air outlet, wherein the upper substrate, the intermediate substrate, and the lower substrate are stacked and adhered.

Abstract: A fluid strainer device is disclosed. The device includes a housing which defines an open chamber, the chamber having both at least one fluid input port and at least one fluid outlet port. A plurality of spaced strainer baskets are disposed within the chamber. Each basket has a pair of spaced perforated side panels, a perforated rear panel, a perforated top panel and an open front portion in fluid communication with the chamber fluid input port. Finally, each strainer basket is aligned within the chamber for fluid flow from the chamber input port into the basket's open front portion and out through the perforations thereof to filter debris from the fluid while preventing substantial fluid pressure drop between the input and outlet ports substantially independent of debris buildup within the basket.

Abstract: The present invention relates to an automotive engine cooling system and the ability to filter contaminates from the cooling system liquid thus slowing down metal erosion of internal cooling system components. The present invention also allows the user to visually see the condition of the filtering device and the condition of the cooling system liquid. If the filtering device should plug or clog, a by-pass system is in place to allow the cooling system liquid to continue circulation not affecting the vehicle's engine temperature.

Abstract: A device for securing a filter element within a housing of a separation system, wherein the housing has an inner wall and includes therein a filter seating to seat the filter element, includes at least one sealing member adapted to form a sealing connection with the filter element and a sealing connection with the inner wall of the housing. The device further includes at least one compression member to compress the elastomeric sealing member to form the sealing connection with the filter and the sealing connection with the inner wall of the housing.

Abstract: A filter comprises a housing and a filter cartridge. The housing includes an inlet, an outlet, a vent, and a filter cartridge chamber. The filter cartridge is permanently positioned in the filter cartridge chamber of the housing with an annular channel between the filter cartridge and the housing. The bottom of the filter cartridge and the interior of the bottom of the housing each include a surface which inclines upwardly toward the annular channel.

Abstract: An oil strainer assembly is used to filter oil in an internal combustion engine of an automotive vehicle. The oil strainer assembly includes a strainer element and a housing. The housing has a first shell and a second shell. The housing has an inlet formed in one of the first and second shells and an inlet formed in the other of the first and second shells. The strainer element is disposed between the first shell and the second shell for filtering debris from oil passing between the inlet and the outlet of the housing. Each of the first and second shells has an outer wall. The first shell having a first flange for retaining the outer wall of the second shell. The first shell further having an outwardly extending tab for retaining a portion of the outer wall of the second shell opposite the first flange. The tab being movable away from the outer wall of the second shell to allow removal of the outer wall of the second shell from the first flange of the first shell along a generally radial direction.

Abstract: A novel surface treatment is provided for portions of filter media coming in contact with the filter media holder, such as filter housing. In certain applications, the treatment is also applied to the filter media holder, depending on the application. Filter media having at least two distinct surface property modifications are provided in liquid filtration applications to enhance the performance of a filtration system, reduce the cost of the system, provided a visual means of detecting fluid bypass, and minimize fluid holdup volume within the filter media, all with substantially no loss of performance performances parameters, even in steam sterilization applications.

Abstract: An oil filter unit for arrangement in the oil sump of an oil circuit, particularly in an automatic transmission. The oil filter unit has a multi-part filter housing with a filter chamber disposed therein such that an oil inlet and an oil outlet communicate with the filter chamber. A filter element is sealingly mounted in the housing between the oil inlet and the oil outlet. The filter element has a pleated filter medium, which is sealingly enclosed by a frame, and the frame has seal contours designed to cooperate with the contours of the filter housing.

Abstract: A filter device comprising a filter element (9), which forms a body extending along a longitudinal axis and can be received in a housing (1) that can be closed by means of a cover part (3), a sealing arrangement (49) being provided in order to form a fluid-tight seal between the housing (1) and the cover part (3), is characterized in that the sealing arrangement (49) as a component of the filter element (9) is fixed to a sealing carrier (48) rigidly connected to said element.

Abstract: A canteen including a reservoir for containing unfiltered water; a filter; a spout; and a pump for pumping water from the reservoir, through the filter, and then out the spout as filtered water.

Abstract: ABSTRACT OF THE DISCLOSURE A filter device includes a casing having an inlet for introducing fluid and an outlet for discharging fluid, and a filtering element disposed between the inlet and the outlet. The filtering element has an outer circumference face restricted from being deformed in a fluid flowing direction. The filtering element has an upstream end face on an upstream side in the fluid flowing direction, and a downstream end face on a downstream side in the fluid flowing direction The filtering element is configured to be compressed toward the upstream end face by pressing the downstream end face.

Abstract: The invention relates to a device (1) for the treatment of substance mixtures conveyed under high pressure, with a casing (3) surrounding a high-pressure space (2), with at least one sealing means (12) in order to seal off the high-pressure space (2) with respect to the surroundings, and with an inlet (4) and an outlet (5) in order respectively to supply the substance mixture to be treated to the high-pressure space (2) and to discharge it from the high-pressure space (2). The high-pressure space (2) is closed, via at least one cover for mounting and demounting, by a processing module arranged in the high-pressure space (2), the cover having a central fastening means (6) which can be locked, oriented coaxially with respect to the casing (3).

Abstract: A case with a partitioning member in which the welding between a case and a cover and between the case and the partitioning member can be confirmed by an airtightness test. The case with a partitioning member includes a cover and a partitioning member held between the case and the cover. On the inside of a first welding portion in which the case and cover are welded to each other, a second welding portion in which the case and partitioning member are welded to each other is provided, and on the inside of the second welding portion, a third welding portion in which the case and the partitioning member are welded to each other is provided. Holes open to the atmosphere are provided in the case between second and third welding portions.

Abstract: An oil filter assembly includes a pressure relief valve adaptable to wide variety of environments while maintaining ease of assembly and manufacture. The pressure relief valve of this invention also occupies a minimal amount of space within the filter assembly as compared to conventional valve arrangements. In the preferred embodiment, the three-piece filter system comprises a base, a deep pocket filtering media, and a housing shell. The unitary filtering media and cap member are formed as a replaceable component that seats into the housing shell without a center tube or other outside support. When the housing shell is threaded onto the base, the cap member is sandwiched between a ledge on the shell and a seal on the base. The pressure relief valve allows fluid to continue to flow in the event the filter element becomes clogged whereby the valve provides ease of assembly, reduced cost, and reduced valve size.