Abstract: The fragrance emanation system includes a container for holding preferably a fragranced liquid or gel, a housing for holding the container, and a wick. The housing contains a socket for attaching to the container, a cavity for receiving the container and a door for enclosing the container. One end of the wick protrudes from the container. An electrical circuit is included having a heater for heating the protruding end of the wick and electrical connectors coupled to the circuit to receive current from a power source to provide the current to the heater. The heater heats and evaporates the liquid within the wick, thereby accelerating the emission of vapors from the evaporated liquid. The door includes a window, a bottom and a mechanism for holding the door closed to assist in holding the container in engagement with the socket.

Abstract: Methods and devices include having a container (1) for holding a liquid with a viscosity ?, and a porous wick (5) with an average pore size of at least about 4 microns to about 50 microns and a porosity ? between about 0.20 to about 0.75, and having a length L and a total exposed surface area A exposed to the ambient air. The viscosity of the liquid and the dimensions of the wick are such that a quantity A/?L is in a range of about 4×10?4 to about 18 cm/poise.

Abstract: A spill-proof aerator is disclosed that is adapted to flamelessly diffuse a liquid solution into the atmosphere. The device comprises a liquid solution having less than 20% volatile organic compounds housed in a vessel with at least one wall, wherein an opening is disposed in the wall. The device further includes a wick assembly including at least a wick of porous material capable of being disposed in the opening of the vessel for at least partial submergence in the liquid solution. The wick is further disposed for drawing up the liquid solution thorough capillary action. The wick assembly is reusable and adapted to removably seal the opening in the vessel.

Abstract: An air-scenting device, which can be mounted vertically, horizontally or at any orientation, including upside down, without any leakage or dripping is disclosed in which there is no free-to-flow fluid under gravitational force, thus causing no spillage at any orientation. The device comprises a barrel containing an open-cell porous mass which contains air-scenting liquid within its pores and a porous wick surrounded by a cage, having perforations, and allowing evaporation of air-scenting fluid transferred to it by capillary action.

Abstract: The present invention relates to a personal portable humidifier-type air cleaner, comprising: a portable case; a water tank formed in the case to store a certain amount of water; an intake channel for outside air, which is connected from outside to inside the case; an air discharge channel configured in continuation of the intake channel, for discharging the inside air to outside the case via a directional exit; a fan disposed on the intake channel, for forcing the air to flow from the intake channel to the discharge channel; and a vaporization kit composed of a plurality of moisture-containing filters that is maintained in a moisture-containing condition by being arranged on the air discharge channel and connected with the water tank by a wick.

Abstract: The invention relates to a fragrance dispenser for botanical products and methods of use thereof. The fragrance dispenser includes a holding member having a surface for holding a botanical product such as potpourri; a support member for supporting the holding member and for receiving a supply of liquid fragrance; and a plurality of wicking members extending from the supply of liquid fragrance to and upon the holding member surface for transferring the liquid fragrance from the supply to the surface for diffusing the fragrance therefrom.

Abstract: A fragrance dispensing assembly including a container having a sealed interior chamber containing porous reeds in a fragranced liquid. At least one buoyant member is coupled to one or more of the reeds. The porous reeds, buoyant member(s) and the fragranced liquid are put in the container and placed in contact with each other prior to sealing the container. To commence use of the fragrance dispensing assembly, the sealed container is opened and the buoyant member(s) elevate the coupled porous reeds within the liquid, thus providing additional portions of the pre-soaked porous reeds to extend from the opened container and begin instant and continuous fragrance dispensing to a room upon opening the sealed container.

Abstract: A fragrance-dispensing system comprises a wick and diffuser, wherein the diffuser surface in contact with surrounding air is larger than the wick surface in contact with the air, a container for receiving the wick, and a fragrance preparation in the container, wherein the fragrance is transported by the wick to the diffuser by capillary action. Within the capillary flow path of the fragrant substance preparation through the wick and/or diffuser, at least one repository is provided, through which the fragrant substance preparation can flow and which has at least one dye that can be dissolved by the fragrant substance preparation.

Abstract: A fragrance-dispensing system comprises a wick and diffuser, wherein the diffuser surface in contact with surrounding air is larger than the wick surface in contact with the air, a container for receiving the wick, and a fragrance preparation in the container, wherein the fragrance is transported by the wick to the diffuser by capillary action. At least sections of the diffuser include a color-changing agent that interacts with at least one substance present in the fragrance such that a color change is produced on and/or in the diffuser section when the substance comes into contact with the color changing agent.

Abstract: Systems and devices for emitting volatile materials are disclosed. In some embodiments, devices for emitting two or more fragrance compositions are disclosed. In one non-limiting embodiment of a device, the device has a housing, and the housing is supported on an electrical outlet by a plug at least indirectly joined to the housing. The device contains a first volatile composition and a second volatile composition. The first volatile composition is emitted in an alternating period relative to said second volatile composition. In one embodiment of the device, the volatile compositions are alternately emitted during periods that are greater than 15 minutes and less than 2 hours.

Abstract: Disclosed herein are more energy efficient heaters for dispensing volatile air treatment chemicals. The heaters have a housing with a base and a cover, the base and cover together defining an enclosure with an internal generally ring-shaped cavity and an axial through bore. One of the base and cover has an essentially cylindrical extension that is integral therewith, extends towards the other of the base and cover, and forms a portion of the axial through bore. First and second electrical contacts are positioned in the cavity with portions overlapping against a heater. A metallic heat transfer sleeve formed separately from the base and cover is positioned radially outward and around the essentially cylindrical extension, and has a flange abutting one of the contacts. Also disclosed are dispensers that incorporate these heaters.

Abstract: The present invention relates to a humidifier for humidifying medical gases, comprising a humidification module including a control unit, wherein the humidification module is adapted for receiving a humidification chamber. Furthermore, the humidification module is further adapted to sense and/or receive information upon connection of the humidification chamber and/or additional equipment such as hoses, power supply pack.

Abstract: The invention proposes a fragrance dispenser, comprising a first and a second carrier, each carrier comprising one or more fragrance substances, wherein the fragrance substances comprise one or more fragrance substances a) with a vapor pressure of at least 0.1 mmHg at 25° C. (“HVA”) and one or more fragrance substances b) with a vapor pressure of less than 0.1 mmHg at 25° C. (“LVA”), and wherein the fragrance substances are distributed to the first and second carrier such that at least 80 wt.-% of all HVA fragrance substances are carried by the first carrier.

Abstract: The present invention is directed to a deodorant/fragrant device with reduced adsorption of the fragrance and other ingredients contained in a fragrant liquid, having both excellent deodorizing function and perfuming function, wherein a fragrant liquid contained in a container is absorbed by a wick and the fragrant liquid absorbed is volatilized and released from the container through a volatilizing material placed in contact with the wick, wherein a zinc compound is carried on the volatilizing material.

Abstract: A fragrance bearing liquid, visible in a transparent container, supporting a floating colorized liquid bubble that is maintained in a substantially centered position. A wicking system transfers the fragranced liquid to the atmosphere.

Abstract: The present invention describes a universal refill containing a volatile liquid adapted for use with at least two different types of emanation device; wherein the universal refill comprises a housing; at least one reservoir in the housing for holding the volatile liquid; at least two valves in the housing in communication with the reservoir, wherein each of said valves is configured to be automatically resealable when not being held open; and wherein each type of device emanates the volatile liquid from the universal refill via a different mechanism to each other type of emanation device and wherein said at least two different types of emanation device each comprise a chassis configured to receive and releasably retain the universal refill.

Abstract: A wick diffuser employing a cellulosic based wick is disclosed. The wick diffuser includes a base from which first and second arcuate panels upwardly and outwardly extend and flanking a center cellulosic wick. The wick is substantially planar in shape and upwardly extends from a container of volatile organic compound housed within the base. The base may be manufactured from a polymeric material or include a polymeric insert provided within a wooden surround. The diffuser has numerous spill resistance features as well as a low insertion force needed by the user to install the wick.

Abstract: A container for a volatile liquid in a liquid dispensing device comprises a body and a neck extending from the body to define an opening. A retention structure is integral with the container body and is adapted to be releasably engaged with two opposing sidewalls of a housing of the dispensing device. The sidewalls are spaced apart in a first direction, and the retention structure is inhibits motion of the container in two opposing directions generally transverse to the first direction. The retention structure may be located on a side of the container body. A capillary member extends from inside the container to an exterior of the container. The volatile liquid migrates along the capillary member from the reservoir to the exterior of the container where it is evaporated from the surface of the capillary member by forced airflow generated by a motorized fan mounted in the housing.

Abstract: The present invention is a gel air freshener article of manufacture comprising a gel air freshener composition and a container that provides a method for unsealing and opening without undue exertion by the consumer. The article of manufacture according to the present invention includes the gel air freshener composition and a container comprising a base portion and axially displaceable cover in telescopic registry, wherein the cover is axially displaced away from the base portion by rotation. The unsealing of the container is achieved through the coordination of camming locks, which comprise an upper ramped surface, with spike-shaped locking wedges that comprise a beveled toe portion, elongated shaft portion and camming head portion. Rotation of the cover in a first direction relative to the base portion locks the toe end and shaft portions of the spike-shaped locking wedges beneath the camming locks.

Abstract: Systems, devices, methods, and compositions that improve the scent perception for a user. Improved scent perception is achieved by presenting alternating scents and by varying levels of output of scents, as well as by minimizing device clogging, thereby improving evaporation profiles.

Abstract: Systems and devices for emitting volatile materials are disclosed. In some embodiments, devices for emitting two or more fragrance compositions are disclosed. In one non-limiting embodiment of a device, the device has a housing, and the housing is supported on an electrical outlet by a plug at least indirectly joined to the housing. The device contains a first volatile composition and a second volatile composition. The first volatile composition is emitted in an alternating period relative to said second volatile composition. In one embodiment of the device, the volatile compositions are alternately emitted during periods that are greater than 15 minutes and less than 2 hours.

Abstract: A fragrance dispenser in constructed of a dispenser body having a top end, a bottom end, a front, a back, a left side and a right side. The front side includes a window to permit at least a portion of the interior of the dispenser body to be viewed from without. Also, the top end includes at least one opening for emitting a fragrance. A container is disposed within the dispenser body and is adapted to hold a liquid fragrance that is to be dispensed. This container is viewable through the window. Further, a dispensing mechanism is disposed within the dispenser body and is configured to dispense liquid fragrance from the container into the atmosphere.

Abstract: A system for consistently emitting a volatile material includes a volatile material dispenser having a diffusion element. The system further includes a refill adapted for disposal within the volatile material dispenser and including a container having a volatile material disposed therein and a wick having a first end disposed in contact with the volatile material in the container and a second end extending out of the container. A time constant for (Parameter 4) for the system is less than or equal to about 1.0 hour when estimated using the equation: Predicted mass change=Parameter4+(Parameter3*T)+(Parameter2*exp(?T/Parameter1)).

Abstract: A diffuser-type air freshener apparatus or appliance (1, 100) affixed to an air grille (6) of a domestic or industrial central air handling system. The appliance includes a housing module which may include a reservoir (24) for storing a volatile fragrant liquid into which one or more scent-wicks (8, 108) are adjustably immersed. Alternatively, dry or pre-moistened wicks may be employed and selectively added or removed to obtain the desired level of scent diffusion. Alternatively, the appliance housing defines an inner opening (42) through which air passes when returning along a defined airflow direction (A) to the central system. One or more flat scent elements or wicks are disposed such that their major flat wicking sides (9) are oriented generally along the defined airflow direction, affording substantial diffusing and/or wicking action with minimal interference with system airflow.

Abstract: An air freshener device includes a base unit and a fragrance cartridge. The base unit includes an electrical connector, a heating element, a pair of interior sidewalls, an interior end wall, and a first shaped feature. The pair of interior sidewalls and the interior end wall extend substantially vertically from the floor portion and cooperate to at least partially define a receptacle. The first shaped feature is associated with one of the floor portion, the interior end wall, and one of the pair of interior sidewalls. The fragrance cartridge includes an absorbent pad, a shell body, and a second shaped feature. The shell body substantially encompasses and supports the absorbent pad and includes a shell wall. The second shaped feature is associated with the shell wall and is configured for mated interaction with the first shaped feature of the base unit.

Abstract: A device incorporating an erectile member that becomes erect upon being partially immersed in water. The erectile member is formed from a flexible tube that contains a hydrophilic material. The hydrophilic material swells when hydrated, pressurizing the tube and causing it to become erect. A decorative feature may be added to one end of the erectile member, such as a simulated flower blossom, and the device may be displayed in a vase. The device may be designed to return to its original drooping state once it has consumed all the water in the vase. Other features and embodiments are described herein.

Abstract: An aerosol generator includes a composite conduit to transport multiple liquids to a heating element at flow rates such that the liquids arrive at the heating element in desirable concentrations. The heating element volatilizes the liquids to form volatilized fluid, which mixes with ambient air to form an aerosol with desirable concentrations of the multiple liquids.

Abstract: An apparatus for controllably releasing a substance is disclosed herein. In one embodiment, such an apparatus includes a chamber to store a non-gaseous fluid. An outlet communicates with a bottom of the chamber to dispense the non-gaseous fluid. An inlet communicates with a top of the chamber to enable gas to flow into the chamber. To regulate the flow of non-gaseous fluid through the outlet, a regulator element is coupled to the inlet to regulate the flow of gas into the chamber. In certain embodiments, to provide more consistent release rates, the chamber includes a short wide portion situated above a relatively long narrow portion. Such a configuration generates more consistent head pressure and thus more consistent release rates for the non-gaseous fluid. A corresponding method is also disclosed herein.

Abstract: The present invention relates to the field of perfumery and more precisely it concerns a device, and the consumer articles associated therewith, for dispensing an active composition into the surrounding space. The device includes an assembly containing a reservoir holding the active liquid to be diffused into the surroundings and a wick-/emitting member structure composed of a wick member and an emitting/diffusion member, the latter having an evaporative surface to be directly exposed to the surrounding space when the device is activated, the assembly being housed in a casing or carried by a supporting frame, the device further including a pivoting member fixed on the casing or on the supporting frame to allow a swinging motion of the assembly and thus forced evaporation of the active volatile whenever desired.

Abstract: A watertight fragrance dispensing device for ejecting fragrance as a spray of droplets, the device including: a spray head for ejecting fragrance from the device; a liquid reservoir arranged to provide the fragrance to the spray head, wherein the reservoir includes a primary reservoir (31), a secondary reservoir (34), and a capillary liquid feed (33) connecting the liquid reservoir to the spray head, wherein the device further includes a bottom housing; and electronic control means arranged in the bottom housing for controlling the dispensing of fragrance from the device, wherein the secondary reservoir is disposed in the primary reservoir and is in direct contact with the capillary liquid feed, wherein the secondary reservoir is smaller than the primary reservoir and contains a unit dose of fragrance to be ejected from the device.

Abstract: The present invention generally relates to volatile substance evaporators having a container with wick, and has the object of providing a technique for effectively detecting end-of-life of the volatile substance housed within the container. The volatile substance evaporator is configured for coupling to, and maintaining in a stable position, a container of volatile substance having a wick with a lower end housed within said container and an upper end emerging from the container. The evaporator comprises an infrared light emitter disposed so as to emit a beam of light on said upper end of the wick, in such a manner that a receptor is disposed so as to capture said beam of light reflected by the upper end of the wick.

Abstract: Certain embodiments of the present invention employ insect-attracting liquid mixtures, solid mixtures, liquid solutions, and solid solutions that include two or more insect-attracting substances or compounds with different physical characteristics that lead to multi-component plumes comprising component plumes with different radii and multiple chemical gradients. Additional embodiments of the present invention include multi-component insect-attracting substances that effectively target two or more different types of insects that together comprise a target group of insects, and additionally target a particular sex, in certain embodiments, or both sexes, in other embodiments, of the target insects. Many of the insect-attracting-substance embodiments of the present invention, upon controlled vaporization or release, create a multi-component, three-dimensional plume that leads insects to the source of the plume along multiple chemical-concentration gradients.

Abstract: This wicking apparatus includes a liquid reservoir, a wick holder, and a wick. The wick holder has a top part for fitting on the reservoir neck and a bottom part for insertion into the reservoir opening, the top part being plate-formed with a central opening, and with two peripheral projections that are spaced apart and that extend downward from the plate towards the reservoir body, projections for contacting inner and outer walls of the reservoir neck, and a second projection for contacting an outer wall of the reservoir neck, the bottom part having wick supporting arms that extend downwards and have flexible end portions projecting inwardly towards the centre of the reservoir opening. The wick is step-shaped with a larger diameter part, and a smaller diameter part; the interface between them defines a shoulder which is supported and held in place by the flexible end portions of the supporting arms.

Abstract: A spill-proof aerator is disclosed that is adapted to flamelessly diffuse a liquid solution into the atmosphere. The device comprises a liquid solution having less than 20% volatile organic compounds housed in a vessel with at least one wall, wherein an opening is disposed in the wall. The device further includes a wick assembly including at least a wick of porous material capable of being disposed in the opening of the vessel for at least partial submergence in the liquid solution. The wick is further disposed for drawing up the liquid solution thorough capillary action. The wick assembly is reusable and adapted to removably seal the opening in the vessel.

Abstract: The apparatus comprises a fragrance release system comprising a wick, at least one diffuser, the surface area of the diffuser in contact with ambient air being larger than the surface area of the wick in contact with ambient air, and a container to hold the wick, a fragrance preparation that is stored in the container, the fragrance preparation being transported through the wick to the diffuser by capillary action against the direction of gravity when the wick is housed in the container, wherein the substantially cylindrical wick is formed from at least two mutually different plant-based fibrous materials, the first material forming a core and the second material surrounding this core, and the difference between the contact angle of the core material and that of the material surrounding the core relative to water being at least 10°, the core material having the small contact angle, preferably between 0° and 90°, relative to water.

Abstract: Methods and devices for emitting volatile materials are disclosed. In some embodiments, methods and devices for emitting two or more fragrance compositions are disclosed. In one non-limiting embodiment of a device, the device has a housing, and the housing is supported on an electrical outlet by a plug at least indirectly joined to the housing. The device contains a first volatile composition and a second volatile composition. The first volatile composition is emitted in an alternating period relative to said second volatile composition. In one embodiment of the method, the volatile compositions are alternately emitted during periods that are greater than 15 minutes and less than 2 hours.

Abstract: Aspects of the invention include an air freshener device that emits fragrance through the evaporation of a fragrance-containing fluid comprising: a container, comprising a particular volume of the fragrance-containing fluid; a wick disposed partially in, and partially out of the fragrance-containing fluid, the wick having an immersion section immersed in the fluid so as to displace a displacement volume of fluid and a non-immersion section extending outward from a surface of the fluid, the immersion and non-immersion section being disposed on opposite lateral ends of the wick; the wick further comprising a displacement portion and a wicking portion, the displacement portion being configured to displace a desired first volume of fluid, the wicking portion being configured to wick a second volume of fluid; the displacement portion and the wicking portion designed to achieve a desired ratio between the displaced first volume of fluid and the wicked second volume of fluid.

Abstract: A machine for dispensing an air freshener spray in a bathroom and, more specifically, to dispensing such by the act of flushing a toilet with use of a floatation switch in the toilet tank water that activates a device upon water levels dropping, a device may generally be one which plugs directly into an electrical outlet, one that operates remote from the outlet and is powered by batteries, the device may plug directly through a cord into an electrical outlet, the device may be powered by batteries, these devices may operate with a cartridge containing a fragrance, the cartridge may be refillable, the fragrance may be a liquid, the fragrance may be a gel, the fragrance may be released by atomization, vaporization of fragrance may occur due to heating (evaporation), the fragrance cartridge may include a wick, fragranced liquid may be drawn up wick and evaporate on exposure to air. In a second embodiment, the activating device may be attached to the lid of the seat of the toilet.

Abstract: A volatile material dispenser includes a housing, means for retaining a refill containing a volatile material to the housing, a channel disposed within the housing for receiving a wick disposed within the refill, and a member disposed within the channel.

Abstract: A simplified humidifier includes a holding device having a trough for storing water therein, and a water-absorbable, telescopically sinuously extendible vaporizing element submerged in the trough of the holding device for absorbing water from the trough and spreading the moisture through the vaporizing element to be evaporated into the surrounding for increasing the humidity nearby.

Abstract: Methods and devices for emitting volatile materials are disclosed. In some embodiments, methods and devices for emitting two or more fragrance compositions are disclosed. In one non-limiting embodiment of a device, the device has a housing, and the housing is supported on an electrical outlet by a plug at least indirectly joined to the housing. The device contains a first volatile composition and a second volatile composition. The first volatile composition is emmitted in an alternating period relative to said second volatile composition. In one embodiment of the method, the volatile compositions are alternately emitted during periods that are greater than 15 minutes and less than 2 hours.

Abstract: A spill-proof aerator is disclosed that is adapted to flamelessly diffuse a liquid solution into the atmosphere. The device comprises a liquid solution having less than 20% volatile organic compounds housed in a vessel with at least one wall, wherein an opening is disposed in the wall. The device further includes a wick assembly including at least a wick of porous material capable of being disposed in the opening of the vessel for at least partial submergence in the liquid solution. The wick is further disposed for drawing up the liquid solution thorough capillary action. The wick assembly is reusable and adapted to removably seal the opening in the vessel.

Abstract: Embodiments relate to passive liquid air freshener systems that allow fragrances to evaporate through use of a wicking element where fluid moves by capillary action towards the emanating surface, as well as the fragrance stabilizing compositions used therein and to active liquid air freshener systems that assist the evaporation of the fragrances through use of electrical devices, heated elements or forced air units. Cyclomethicone-based liquid compositions, preferably clear, provide an improved rate of evaporation of perfume materials from the air freshener device emanating surface and allow the use of fragrance materials with a wide range of characteristics. Embodiments utilize cyclomethicone in combination with other solvents specifically to increase solubility, enhance performance, maintain consistent fragrance character and maximize the range of aromatic materials that can be used.

Abstract: Methods and devices for emitting volatile materials are disclosed. In some embodiments, methods and devices for emitting two or more fragrance compositions are disclosed. In one non-limiting embodiment of a device, the device has a housing, and the housing is supported on an electrical outlet by a plug at least indirectly joined to the housing. The device contains a first volatile composition and a second volatile composition. The first volatile composition is emitted in an alternating period relative to said second volatile composition. In one embodiment of the method, the volatile compositions are alternately emitted during periods that are greater than 15 minutes and less than 2 hours.

Abstract: A sealing member is disclosed for use with a wick of a diffuser, or the like. The sealing member seals a vessel containing a liquid in a fluid chamber. The sealing member may be composed of a malleable material that may also be resistant to a liquid fragrance contained in the vessel. The sealing member may include a body, flaps and an opening for receiving a wick therethrough. The sealing member may form a persistent seal when a wick is inserted therethrough, while at the same time allowing venting to the fluid chamber.

Abstract: A fluid spray dispenser (2) having a fluid reservoir (20) for holding a fluid to be dispensed, a spray head (23) for dispensing the fluid and a porous medium (24) through which the fluid passes from the reservoir (20) to the spray head (23). The porous medium (24) has a pathway (25) or pathways located substantially adjacent the spray head (23) for the removal of air ingested into the porous medium (24) during spraying.

Abstract: A multi-sensory product able to disperse chemical actives using reeds or other wicks, as well as providing a light show is disclosed. The product includes a form-within-a-form design wherein the inner form or vase is able to store the chemical actives, as well as mount the reeds or other wicks. The outer vase complements the aesthetics of the inner vase while at the same time concealing the electronics of the device. The electronics of the device can include a power source, as well as a circuit board for driving LEDs mounted thereon. The LEDs can generate a light show which can be refracted and diffused through the glass or polymer material forming the inner and outer vases thereby creating an aesthetically pleasing and multi-sensory experience through the use of the product.

Abstract: A scent sampler and air freshener has a wafer of an absorbent resilient material infused with a liquid containing a scent. The wafer is encapsulated in a chamber formed between two panels of sheet material with edges sealed together to form an envelope. An opening in one of the panels enables scent from the liquid to be emitted to the ambient atmosphere. The rate of emission can be increased by squeezing the panels to compress the wafer. The interior surfaces of the panels can be coated with a barrier film to prevent leakage of the liquid from contaminating the sheet material.

Abstract: A volatile material refill includes a container with a volatile material disposed therein, a plug assembly disposed within an opening of the container, a pivotal wick retained in the container by the plug assembly, and a sheath extending around at least a portion of the wick.

Abstract: A volatile material dispenser includes a housing, a retention mechanism coupled to the housing, and a compatible volatile material refill that includes a first set of dimensions and a wick extending therefrom. An adapter is removeably attached to a portion of the compatible volatile material refill. The retention mechanism non-removeably retains the adapter to the housing when the compatible volatile material refill and adapter combination are inserted therein. Further, when the compatible volatile material refill is removed from the adapter, the adapter prevents incompatible volatile material refills having a second set of dimensions different from the first set of dimensions from being attached to the housing.