Abstract: A chromatography cartridge and method of manufacturing same. A chromatography cartridge of the present invention can include a tubular housing having an open end and an inner surface, and a plug. The plug can be positioned within the open end of the tubular housing and can have an outer circumferential surface, a substantial portion of the outer circumferential surface being fused to the inner surface of the tubular housing. A method for manufacturing a chromatography cartridge can include coupling at least a portion of the outer surface of the plug to at least a portion of the inner surface of the tubular housing in response to rotating at least one of the plug and the tubular housing about the longitudinal axis with respect to the other of the plug and the tubular housing.

Abstract: A dual filter apparatus and a process of making a dual filter apparatus that minimizes disruption to the normal flow pattern through the filter apparatus by forming a porous medium suitable to carry a fluid activator and placing an activator proximate the porous filter medium for in situ fluid treatment and removal of debris from the fluid by screening action of the porous filter medium that entraps debris thereon.

Abstract: The present invention is directed to a fuel supply and fuel system with an ion filter and an ion gauge. The filter can be made from discrete pieces of polymeric filter material. The polymeric filter material is substantially the same as the proton exchange membrane or polymer electrolyte membrane (PEM) in the fuel cell. The ion gauge measures the level of ions in the fuel by measuring a voltage across a section of fuel or a current through the same section. The voltage or current is related to the ion level in the fuel.

Abstract: A pitcher filter cartridge for removing contaminants from water includes a housing defining a chamber. The housing further defines at least one inlet opening and at least one outlet opening. A first adsorption medium is contained within the chamber and configured to facilitate removing insoluble colloidal lead from the water.

Abstract: A water filter device includes a container (1) that has an opening for filling of water, and a filter unit (3) that is movable relative to the container (1). It is significant of the device that the filter unit (3) includes a filter element (5), an operating rod (7) connected to the filter element (5) and sealing means (14) along the periphery of the filter element (5), and that the filter element (5) has a particle filter (10) and an adsorption filter (11).

Abstract: A filter block having a permeability of greater than about 3.0*10?9 cm2, and a F-VLR of greater than about 99% is provided. The filter block may be made of filter particles having a median particle size of less than about 50 microns and having a particle span of about 1.4 or less. The filter blocks of the present invention can be used to make a filter for filtering liquids and more specifically, for providing potable water. The filter particles may be mesoporous. Kits comprising filters and information relating to the killing or removal of bacteria, viruses, and microbials are also provided.

Abstract: An improved oil conditioning filter, for use with an internal combustion engine, includes a mechanically active filter element and a chemically active filter element having a reactive basic conditioner therein. The reactive basic conditioner is provided to counteract acidic combustion products in lubricating oil in an internal combustion engine. In a preferred embodiment of the invention, the chemically active conditioning agent is provided in a plurality of pellets disposed within the oil filter housing. The pellets may be bonded together to form an integral porous filter element having spaces defined between the pellets thereof. The pellets are made of a mixture including a polymeric binder and the chemically active conditioning agent, in a defined weight ratio and in a narrow range of particle sizes. The chemically active filter element reacts with acids present in the oil to form a product which may be filtered out of the oil. The pellets are made either by a hot extrusion process or by a solvent process.

Abstract: A method of and apparatus for extending the life of fountain solutions used in commercial printing presses comprises withdrawing fountain solution from the dampener recirculation system of a printing press and directing the withdrawn fountain solution through a sediment prefilter, a separation filter, and a post treatment filter. The sediment prefilter preferably comprises a melt blown polypropylene filter; the separation filter preferably comprises a diatomaceous earth filter; and the post treatment filter preferably comprises a zeolite filter.

Abstract: An air filter assembly including abutting, cylindrical housing halves, with toothed outer ends, joined via spaced, T-shaped appendages; a cylindrical air inlet of abutting semi-cylindrical housing inlet portions; a primary filter pack, for slip-fit insertion into either housing half, having an end cap integral with a cylindrical primary filter pack having sealing material on its inner end; a filter outlet end with a toothed peripheral portion, for slip-fit insertion into and angular adjustment relative to either housing end, and a plurality of ribs defining locating surfaces for an air outlet portion, and main and safety filters; the latter having a truncated cone body and an inverted conical portion; and a filter attachment base having curved bed portions, for receiving a housing periphery portion, including spaced support pads and slot portions for angularly adjustably receiving like numbers of T-shaped appendages, with a locking mechanism joining the housing and attachment base.

Abstract: The present disclosure relates to a water purification system for use in a water dispensing apparatus. The water purification system comprises an adapter adapted to mount to a top opening of the dispensing unit of the water dispensing apparatus, the adapter including a dispensing unit locking mechanism that is adapted to secure the adapter to the dispensing unit, and a filter connected to the adapter, the filter being adapted to filter impurities from the water that passes through the adapter from the container.

Abstract: Water treatment devices that include filtration media with specified grain size distributions are provided. In one arrangement, the device contains a volume of grains such that between about 1 and 15 vol % of the grains have a grain size in a range between a first grain size and a second grain size, a first portion of the grains have grain sizes smaller than the first grain size, and a second portion of the grains have grain sizes larger than the second grain size. The first grain size can be between about 50 and 100 ?m and the second grain size can be between about 100 and 150 ?m. In other arrangements, the first grain size can be between about 70 and 90 ?m and the second grain size can be between about 100 and 130 ?m. The difference between the first grain size and the second grain size can be at least 20 ?m. In other arrangements, the difference between the first grain size and the second grain size can be at least 10 ?m.

Abstract: A container for removing particulates and/or contaminants, including impure compounds and elements from fluid to be treated is provided. The container can include a compartment within which a volume of fluid to be treated may be received, a chamber into which a volume of treated fluid from the compartment may be accommodated, a cover for placement across an upper end of the container, so as to prevent fluid from within the chamber from spilling, and a porous matrix, positioned within the compartment and having a nanostructured adsorption material for trapping and retaining, within its pores, particles and contaminants in the fluid. A method for removing particulates and contaminants is also provided.

Abstract: A system for removing particulates and/or contaminants, including impure compounds and elements from fluid to be treated is provided. The systems can include a receptacle having chamber in which a volume of fluid may be accommodated, a cover for placement across an opening into the chamber, so as to prevent fluid from within the chamber from spilling, and a porous matrix, positioned within the chamber and having a nanostructured adsorption material for trapping and retaining, within its pores, particles and contaminants in the fluid. A method for removing particulates and contaminants is also provided.

Abstract: The invention relates to a device for physically treating drinking water, in particular, for reducing the formation of limestone. The invention device comprises at least one water inlet (3b) and at least one water outlet (3c), whereby the device is mounted in the cold water supply line (3) of at least one water heater (1), preferably a boiler, and the device is placed in good heal-conductive thermal contact with the hot water area of the water heater (1).

Abstract: The filter cartridge for the water tank of a coffee machine comprises a housing having on both sides a plurality of slot-shaped openings constituting two inlets. For softening the water, the housing of the filter cartridge contains a ion exchange resin. The bottom of the housing comprises a central outlet. The interior of the housing is provided with a plurality of baffle members increasing the length of the flow path of the water between inlets and outlet. The housing comprises an upper portion and a lower portion, sealingly fixed to each other. The baffle members extend essentially in vertical direction and are alternately fixed to the upper and to the lower housing portion. Water passages are provided between the upper housing portion and the baffle members fixed to the lower housing portion, as well as between the lower housing portion and the baffle members fixed to the upper housing portion.

Abstract: An ion adsorption module comprises a container with at least an opening into which feed water flows, and an organic porous ion exchange material having a three-dimensional reticular structure filled into the container, which has a continuous pore structure comprising macropores and mesopores, the macropores being interconnected with each other forming mesopores with an average diameter of 1-1,000 ?m in the interconnected parts, has a total pore volume of 1-50 ml/g, contains uniformly distributed ion exchange groups, and has an ion exchange capacity of 0.5 mg equivalent/g or more of the porous material on a dry basis. The ion adsorption module can be extremely easily filled with the ion exchange material, and the packed layer does not move even if the layer is placed in an upward flow. The ion adsorption module and the water processing method using the ion exchange material are extremely useful.

Abstract: A sprayer purifier cartridge system is disclosed. In one non-limiting embodiment, the sprayer purifier cartridge system includes a sprayer for spraying water and a purifier cartridge for purifying water. In this embodiment, the sprayer has a receiving structure for the purifier cartridge, and the cartridge is attachable to the receiving structure of the sprayer. In this embodiment, one of the sprayer and the purifier cartridge comprises a structure having at least one opening therein. This opening is at least partially surrounded by a material that has flexibility. The other of the sprayer and the purifier cartridge has at least one hollow protrusion that fits into the at least one opening to permit the water to flow in at least one direction between the sprayer and purifier cartridge. The cartridge is attachable to the sprayer to form a seal between the cartridge and the sprayer.

Abstract: An improved oil conditioning filter, for use with an internal combustion engine, includes a mechanically active filter element and a chemically active filter element containing a beneficial additive therein. The beneficial additive is provided to extend the useful life of lubricating oil in an internal combustion engine. The beneficial additive may include an antioxidant, an anti-wear agent, and/or a basic salt. In a preferred embodiment of the invention, the chemically active conditioning agent is provided in a plurality of particles disposed within the oil filter housing. The particles may be bonded together to form an integral porous filter element having spaces defined between the particles thereof. The particles are made either by a hot extrusion process or by a solvent process.

Abstract: A water treatment apparatus includes a housing comprising multiple housing portions and a plurality of treatment sections disposed within the housing, each treatment section comprising at least one distinct particulate layer. The apparatus is designed so that no water pressure need be applied to force the water through the apparatus, as gravity pulls the water down through the filtering layers. Water may also be force fed through the treatment apparatus; when the water is force fed, the housing portions need not be vertically stacked, but may be configured in any suitable arrangement. The treatment sections are distributed through the various housing portions in logical groups to perform various kinds of filtering. The housing portions are detachable and sealably stackable in multiple configurations, thus passing water through more or fewer treatment layers, depending on the quality of the incoming water.

Abstract: A radial flow cartridge, especially for use with an ion exchange resin, includes inner and outer tubular cages, and a tubular knitted liner extending the length of the cartridge between the inner and outer cages and spaced apart from the outer cage. The resin medium fills the space between the liner and the inner cage. During use, the medium absorbs fluid and expands, stretching the knit liner radially and, thereby filling the space between the liner and the outer cage.

Abstract: A fuel cell system includes an ion-exchange filter, which is provided with a cartridge which is filled up with an ion-exchange resin. The cartridge includes one of a pressure-loss emphasizing type cartridge and an ion-exchange efficiency emphasizing type cartridge, which are selectively exchanged with each other, for a common case of the ion-exchange filter. The ion-exchange efficiency emphasizing type cartridge is one for an ion-exchange filter having a high pressure loss and high ion-exchange efficiency and, on the other hand, the pressure-loss emphasizing type cartridge is one for an ion-exchange filter having a pressure loss lower than that of the former ion-exchange filter and an ion-exchange efficiency lower than that of the former ion-exchange filter.

Abstract: A method and apparatus for separating oil and debris from urban water run-off, the apparatus being made up of a chamber which is mounted in a storm drain system and has an inner basin with a tilted wire wedge wire screen filter in the path of flow of the run-off, an organic absorber floats on the water as it is collected in the basin, and a discharge plate has a series of slots which are sized to regulate the flow rate of discharge of the water from the basin for removal through an outlet at the lower end of the chamber. The method and apparatus are conformable for use with existing storm drain systems along curbs or gutters as well as parking lots, runways and the like.

Abstract: A water cleaner comprises: a filtering canister having a plurality of filtering holes formed through the canister and made of oxidation-reduction alloy for filtering off chlorine and other hazardous materials contained in the water when passing through the filtering holes formed through the canister; and a functional water-treatment material filled in the canister for killing bacteria or fungi, for removing pollutants, and for removing odor in the water for cleaning water in a water tank or reservoir.

Abstract: A shower head for purifying water includes a filter cartridge positioned within in a holding part, a purified water flow path passing through a purification material and a raw water flow path not passing through the purification material. A flow path switching valve switching between the purified and raw water flow paths is incorporated in a head part. A delivery flow switching valve positioned downstream of the flow path switching valve switches between a straight delivery port and a shower delivery port. The valves are controlled independently of each other. A germicidal ceramic and/or sintered magnetic body is installed in the flow path between the valves.

Abstract: The invention relates to a two-stage design for a water purification system, with water to be purified first passing through a first stage containing particulate filtration media, and a second stage containing a porous filtration block. The particulate filtration media can be the same as, or different from, material included in the porous block. Either material may be any material that removes contaminants from water by, e.g., absorption, adsorption, ion exchange, sequestration, or other mechanism, or any combination of these.

Abstract: Hydrophobic polymer particles (e.g., granules or fragments) employed as filter media, e.g., for filtering runoff water, include an antimicrobial compound on exterior surfaces and can reduce proliferation of microbial organisms as well as sorb chemical contaminants from the water. By employing this dual decontamination action, filter systems employing such particles can improve the quality of runoff water (or other contaminated water streams) and reduce the risk presented by potentially harmful organisms.

Abstract: A chromatography cartridge with a packed bed is manufactured from an inner and outer chamber, the inner chamber being in an insert that is slidable into the outer chamber with openings in each such that a slurry that is originally placed in the interior of the outer chamber flows into the inner chamber as the parts are being pressed into each other. During the assembly, the particles in the slurry are compressed to fill the smaller volume of the inner chamber and excess liquid is discharged through ports in both chambers. The construction allows for a highly precise and reproducible column filling process with a minimum of steps and operator intervention and thereby low cost and reduced error.

Abstract: An oil-conditioning filter, for use with an internal combustion engine, includes a filter element and an additive cartridge, for gradually dispensing an oil additive over time. The additive cartridge has a beneficial oil-conditioning agent contained therein. Placement of the cartridge allows for fluid filtration through the filter element before fluid communication with the additive of the additive cartridge. An additive dispersing member is also described.

Abstract: The filter assembly is adapted for use in filtering fluid flow in turbomachinery. The filter assembly includes a cylindrical housing, and a filter element disposed within the housing. The housing is adapted for fluid connection to a turbomachine. The filter element is adapted to filter fluid passing to the turbomachine. The filter element includes a fluid permeable core element defining a central core element flow channel through the filter element, a fluid permeable ion exchange resin layer disposed about the core element and adapted to remove mineral and organic acids from the fluid passing through the filter element, and a pleated filter media disposed about the ion exchange resin layer and core element. In another embodiment, the filter element has the pleated filter media disposed about the core element, and the fluid permeable ion exchange resin layer disposed about the core element and pleated filter media.

Abstract: A system for treating storm water in situ within a storm water drainage system includes a process chamber and treatment material that is contained within the process chamber. Preferably, the treatment material is a material that is effective in removing heavy metals from storm water, such as zeolite. A first passageway is provided for admitting storm water from the storm water drainage system into the process chamber. A second passageway is provided for returning storm water from the process chamber back to the storm water drainage system. Also disclosed is a method of retrofitting conventional storm water drainage systems so as to render them capable of effectively removing heavy metals from storm water passing therethrough.

Abstract: A drinking water filter for filtering major water contaminates from tap water and other drinking water sources. The water filter a cylindrical cartridge for receiving a plurality of sponge filters used as dividers between different layers of filtration material and along a length of the cartridge. The sponge filters are designed to remove large and small sediments in the water from 1 to 100 microns in size and greater when the water is introduced through the cartridge. The layers of filtration material includes a layer of granulated zinc and copper alloy, a fine mesh carbon block, a layer of granulated ion exchange resin, a layer of granulated activated carbon and layer of granulated activated calcite. The carbon block and the granulated carbon material is used for removing chlorine, odor, color, cysts, protozoa and organic contaminants such as pesticides, herbicides, arsenic, mercury, and trihalomnethanes.

Abstract: An apparatus for purifying water, that includes a frame, in connection with which is arranged a primary space for water to be filtered, secondary space for filtered water and a filter. The filter is arranged to filter water, that is driven by gravity from the primary space existing in the frame to the secondary space, wherein the filtering influence of the filter is based essentially on a thin filtering film made of plastic based material. Essentially underneath the primary space is arranged an accessory space for the filtering means, that is in connection with the primary space and that has an essentially smaller cross-section than the same, in order to keep the filter surrounded by unclean water in the auxiliary space of the primary space, being limited from the secondary space, totally separate from the secondary space.

Abstract: A pollutant containment system for containing the spillage of fuels or other hydrocarbons or the like comprises a first layer (14, 60), a containment vessel (16) for receiving liquid passing through the layer (14) and channelling means (22) for directing liquid permeating through the layer towards the containment vessel (16). The layer (14) provides a plurality of active surfaces for the retention of pollutant and is such as to cause water to permeate through the layer at a flow rate to avoid emulsification of oil and water. Water is introduced into and removed from the containment vessel to raise and lower the water surface thereby to cause the pollutant to be smeared over the active surfaces.

Abstract: A method of and apparatus for extending the life of fountain solutions used in commercial printing presses comprises withdrawing fountain solution from the dampener recirculation system of a printing press and directing the withdrawn fountain solution through a sediment prefilter, a separation filter, and a post treatment filter. The sediment prefilter preferably comprises a melt blown polypropylene filter; the separation filter preferably comprises a diatomaceous earth filter; and the post treatment filter preferably comprises a zeolite filter.

Abstract: An ion exchange filter apparatus to reduce ions contained in a liquid medium used in a fuel cell system is equipped with an ion exchange filter 6 to receive an ion exchange resin 38. The ion exchange filter 6 includes a flow passage 27 to introduce the liquid medium to the ion exchange resin 38, a bypass passage 7 to flow the liquid medium by bypassing the ion exchange resin 38, and an orifice 21 disposed at a branch section where the bypass passage 7 is branched from the flow passage 27, to determine a flow volume ratio of the liquid medium flowing in the ion exchange resin 38 and the bypass passage 7, wherein a hole diameter of the orifice is set so that a pressure loss generated when all the amount of the liquid medium flows in the bypass passage 7 becomes substantially equal to an allowance maximum pressure loss of the ion exchange filter 6.

Abstract: A water heater filter is provided for the removal of minerals and sediments from water, comprising a cylindrical filter housing element comprising an upper chamber and a lower chamber linked by a small diameter section, an inlet fitting, a conical fine mesh stainless steel wire screen positioned within the upper chamber, a first cotton filter positioned within the lower chamber, a second carbon filter comprising activated carbon enclosed in a porous element positioned within the lower chamber, and an outlet fitting. The water heater filter has particular utility in connection with a household water heater.

Abstract: A method of and apparatus for extending the life of fountain solutions used in commercial printing presses comprises withdrawing fountain solution from the dampener recirculation system of a printing press and directing the withdrawn fountain solution through a sediment prefilter, a separation filter, and a post treatment filter. The sediment prefilter preferably comprises a melt blown polypropylene filter; the separation filter preferably comprises a diatomaceous earth filter; and the post treatment filter preferably comprises a zeolite filter.

Abstract: A vessel or kettle for holding water has a first chamber from which water can be pumped though a filter into a second chamber. The pump can be gravity, manual or power operated. Cold water from the first chamber can be pumped though an annular filter of ion exchange resins into the second chamber where it can be heated. The contents of filter can be held in a replaceable porous bag. A meter can indicate the amount transferred, eg in multiples of a volume such as a cupful. The vessel can have a spout valve that selectively allows the first chamber to be filled or water to be poured from the second chamber. The first chamber and/or the pump can be external to the vessel. The pump can include non-return valves and a siphon system.

Abstract: An apparatus for concentrating and stabilizing conjugated estrogens from pregnant mare urine on solid adsorbent supports to obtain a starting material for pharmaceuticals that contain a natural mixture of conjugated estrogens as active ingredient. The apparatus is suitable for decentralized concentration and stabilization of conjugated estrogen mixtures on cartridges in the vicinity of the horses. The adsorber cartridges can be loaded at the site of urine collection so it is unnecessary to transport large volumes of urine to a central processing point. The loading process can take continuously over a period of weeks until the column is saturated. The effluent urine remains at the site where facilities for its disposal are available. Only the loaded cartridge is transported, and transport can occur at longer intervals of up to several weeks. The stability of the conjugated estrogens on the adsorber assures there is no risk of decomposition.

Abstract: The invention relates to aquarium filters providing improved water filtration without accelerated clogging. The present invention also relates to methods of using such filters.

Abstract: Arsenic is removed from water and other aqueous feeds by (1) treating the feed with a compound containing cerium in the +4 oxidation state, preferably cerium dioxide, to oxidize arsenic in the +3 oxidation state to arsenic in the +5 oxidation state and (2) removing the arsenic in the +5 oxidation state from the aqueous phase, normally by contacting the treated feed with alumina or other precipitating agent containing cations in the +3 oxidation state.

Abstract: Apparatus, systems and methods are disclosed for treating a biological fluid with light. A container of biological fluid is introduced into a fluid treatment chamber where it is contacted with light provided by one or more light sources in proximity to the fluid treatment chamber. A drawer for holding containers of biological fluid introduces the containers into the chamber. Containers for holding the biological fluid are marked by the apparatus to indicate the status of the treatment.

Abstract: An oil-conditioning filter, for use with an internal combustion engine, includes a mechanical filter element and a central additive cartridge, for gradually dispensing an oil additive over time. The additive cartridge has a beneficial oil-conditioning agent contained therein. The additive may be provided as a solid block within a storage chamber of the cartridge, or may be a plurality of pellets. Central placement of the cartridge allows for fluid filtration through the mechanical filter element before the additive is added thereto, reducing the likelihood that the additive will be filtered out prematurely upon its initial release. An additive cartridge for installation in an oil filter is also described, including a baffle portion and a storage chamber. Alternative exemplary embodiments of the additive cartridge may include a cylindrical shell, a basket which is operatively attached to an oil filter center tube, or a porous center tube.

Abstract: The present disclosure relates to a water purification system for use in a water dispensing apparatus. The water purification system comprises an adapter adapted to mount to a top opening of the dispensing unit of the water dispensing apparatus, the adapter including a dispensing unit locking mechanism that is adapted to secure the adapter to the dispensing unit, and a filter connected to the adapter, the filter being adapted to filter impurities from the water that passes through the adapter from the container.

Abstract: An expandable desiccant element for removal of moisture from an air stream. Such expandable desiccant element includes at least one first expandable containment section capable of expanding a first predetermined amount, at least one second expandable containment section capable of expanding a second predetermined amount which is greater than the first predetermined amount connected to the first expandable containment section. Such at least one first expandable containment section and at least one second expandable containment section forming a predetermined shape.

Abstract: A filter/plug drain assembly for insertion into a drain so as to prevent the passage of selected contaminants through the drain is disclosed. The filter/plug assembly includes stacked layers of filter, filtering/plugging and plugging material. The filter/plug assembly has alternative internal flowpaths configured to provide different plugging speeds when exposed to ongoing low levels of selected contaminants.

Abstract: A system for removing material from a flowing liquid, where the system includes one or more cartridges, where each cartridge has an outer permeable wall and an inner permeable wall that form a media region between the walls, where a media is disposed within at least part of the media region to remove at least a portion of the material from the flowing liquid, the cartridge also having an inner cartridge lumen in communication with the inner permeable wall, and a cartridge outlet in communication with the inner cartridge lumen; a cartridge chamber having a treatment region that houses the one or more cartridges, where the cartridge chamber also includes a chamber inlet to accept the flowing liquid, and a chamber outlet to discharge treated liquid; and an actuatable valve positioned outside the one or more cartridges, where the valve controls a flow rate of the flowing liquid within the treatment region by actuating in response to a change in a level of the liquid in the treatment region.

Abstract: Water purifier includes a container having a room, a filtering material disposed in the room for purifying water for catching particles and fungi such as polio viruses. The filtering material is a sintered activated carbon block filter having pores. The filtering material preferably has a first filtering material and a second filtering material. One thing out of the first filtering material and the second filtering material is formed of a sintered activated carbon block filter whose average pore diameter is relatively small and whose amount of penetrating water is relatively small per unit time. Another thing out of the first filtering material and the second filtering material is formed of a sintered activated carbon block filter whose average pore diameter is relatively large and whose amount of penetrating water is relatively large per unit time.

Abstract: The invention provides a skin-care liquid preparing unit comprising: a main container which contains raw water; a cartridge container which is placed in the main container, and which contains different kinds of cation exchange resins; and a sprayer which is attached to an upper end mouth portion of the main container, and which has a suction pipe connected to an upper portion of the cartridge container. The unit is configured so as to pass the raw water in the main container through the cartridge container from a lower portion of the cartridge container and spray the water from the spray. In the unit, in order to easily prepare skin-care liquid of a pH value that is useflil for moisture retention and health of the skin, an Na type or K type cation exchange resin layer and an H type cation exchange resin layer are formed to be arranged in upper and lower positions in the cartridge container.

Abstract: A showerhead having a water filter element held therein. The water filter element is easily changeable by unscrewing two halves of a body forming the showerhead. The body halves are easily gripped and turned, so as to be opened or closed, and the showerhead preferably includes a massage-type head at the lower end thereof, which may be rotated to vary the streams of water exiting the showerhead. The water filter element cooperates with internal components of the halves of the body to direct the flow of water through the filter element, and then out of the massage head. The showerhead may be easily and quickly adapted to be held on any shower arm, and to replace any existing showerhead without taking up as much room as currently existing filter elements used with available showerheads.