A crisper drawer for a refrigerator having a refrigerated compartment is disclosed. The crisper drawer includes a plurality of side walls defining a storage chamber, an opening in a side wall to provide fluid communication between the storage chamber and the refrigerated compartment, and a multi-function filter cassette configured to be positioned within the opening. The multi-function filter cassette includes a first filter configured to remove contaminants from a first air flow within the refrigerated compartment, a second filter configured to remove contaminants and/or moisture from a second air flow within the storage chamber, and a central wall configured to prevent fluid communication between the refrigerated compartment and the storage chamber.

In one aspect, a modular filter assembly for filtering fluid that flows in a flow direction therethrough is disclosed. The assembly includes a first housing section having a first filter element; a second housing section having a second filter element; and a connector disposed between the first and second housing sections. A housing includes the first housing section, the connector, and the second housing section. The flow direction is through the first and second filter elements in series.

A filtration system includes a filter housing and a filter cartridge. The filter housing includes a base and a cover removably coupled to the base. The cover includes a retainer. The filter cartridge has a longitudinal axis and is movable between an installed position within the filter housing and an uninstalled position outside the filter housing. The filter cartridge includes a top endplate including at least one protrusion extending upwardly away from the top endplate. The protrusion includes a tab extending radially outward from the protrusion that is structured to interact with the retainer to removably couple the filter cartridge to the cover. The filter cartridge further includes a bottom endplate and a filter media extending axially between the top endplate and the bottom endplate.

A filter element, for use filtering liquids such as fuel, includes a first section of filter media, an optional layer of coalescer media, and a section of barrier media. The first section and optional coalescer filter media are held between opposite first and second end caps. The second end cap is integrated with the barrier filter media. The barrier media extends at least part way into an interior of the first section and can be conical in shape.

A coalescence element is provided with at least one coalescence medium configured to coalesce water contained in a fluid. The at least one coalescence medium is made of a material with a packing density of at most 10%. The coalescence element is embodied as a single layer formed as a cylindrical jacket and has a fluid path for a fluid between an inlet side and an outlet side of the cylindrical jacket. A filter element with a filter bellows and a support pipe arranged coaxially inside the filter bellows is provided with such coalescence element that is arranged between the filter bellows and the support pipe in the flow direction so as to surround the support pipe at a radial outer side.

An embodiment of this disclosure provides a liquid treatment device, provided at a carbon block used for post-treating a liquid treated by the carbon block. The liquid treatment device includes: a housing; a cover; a sealing portion; a lower treatment unit; and an upper treatment unit. The liquid treatment device and the carbon block may be detachably mounted mutually, thereby enabling the liquid treatment device to be replaced independent of the carbon block. Furthermore, the liquid treatment device includes an upper treatment unit and a lower treatment unit, and a liquid inlet is provided in the housing of the liquid treatment device, thereby making distribution of the liquid flow in the carbon block more uniform.

Filter systems disclosed herein collapse for storage purposes and include mechanisms to continuously fill an upper chamber, allowing it to be smaller and to include more filters. A UVC light in a lower chamber sanitizes water entering therein. Water entering the lower chamber may pass through a quartz tube near the UVC light for sufficient exposure. The UVC light may be cycled between shorter periods of higher intensity and longer periods of lower intensity. A low power source such as a small solar array and/or battery may power the UVC light. A proximity switch may control the UVC light by providing power to the light only when the upper chamber is engaged with the lower chamber which may protect the user from exposure to the UVC light. Sealing mechanisms between the upper and lower chambers, as well as tote mechanisms and an alternative bucket filter system are disclosed.

A water-treatment cartridge (3) for a water-treatment device, wherein the water-treatment device comprises a head with a port for feeding water for treatment to the cartridge and a port for discharging water from the cartridge (3) after treatment. The water-treatment cartridge (3) according to the invention comprises an inlet channel for feeding water for treatment to the cartridge (3) for making a fluid communication with the port of the head for feeding water for treatment to the water-treatment cartridge (3), and an outlet channel for discharging water after treatment from the water- treatment cartridge (3) for making a fluid communication with the port for discharging water after treatment from the water-treatment cartridge (3), at least one water-treatment bed, which the at least one water-treatment bed is in a fluid communication with the inlet channel for feeding water for treatment and with the outlet channel for discharging water after treatment. The water-treatment cartridge (3) is characterized in that it comprises orientating means (10) configured to make a flow of water for treatment from the port of the head for feeding water for treatment with the inlet channel, when the water-treatment cartridge (3) is installed in the head of the water-treatment device. The invention also relates to a head of a water- treatment device for use with a water-treatment cartridge (3). In addition, the invention relates to a water-treatment device comprising a head and a water-treatment cartridge (3).

A zone water-treatment cartridge (3) for a water-treatment device, wherein the device comprises a head comprising a port for feeding water for treatment to the cartridge (3) and a port for discharging water from the cartridge after treatment. The zone water-treatment cartridge (3) comprises a first inlet channel (6) and a second inlet channel (7) for feeding water for treatment to the cartridge (3), configured to form a fluid communication with the port of the head for feeding water to the water-treatment cartridge (3), and an outlet channel for discharging water after treatment from the cartridge (3), configured to form a fluid communication with the port for discharging water after treatment from the cartridge (3), a first water-treatment zone, which is in a fluid communication with the first inlet channel (6), a second water-treatment zone, which is in a fluid communication with the second inlet channel (7), the first water-treatment zone and the outlet channel, respectively. The zone water-treatment cartridge (3) comprises orienting means (11) configured to establish a flow of water for treatment from the port of the head for feeding water for treatment through at least one of the fist inlet channel (6) and the second inlet channel (7) by rotation of the zone water-treatment cartridge (3) in the head of the zone water-treatment device. The invention also relates to the head of a zone water-treatment device for use with a zone water-treatment cartridge and to a zone water-treatment device comprising a head and a zone water-treatment cartridge.

Filter and method for filtering solve problem of filtering of microfibers. The filter is specifically designed for efficient removal of microfibers from fluids including wastewater such as is emitted by washing machines and clothes dryers in their normal mode of operation. The filter and filtering method hereby disclosed is characterized by the possibility to insert the filtering device directly into existing washing machines without the need for modifications. The filer has a form that allows its direct insertion into an existing void in the washing machine that is connected or an integral part of the drain pump.