A cartridge for a water purifier has: a granular filter medium; an inner cylinder that supports the granular filter medium from inside, and does not allow the granular filter medium to pass through but allows water to pass through; an outer cylinder that supports the granular filter medium from outside, and does not allow the granular filter medium to pass through but allows water to pass through; a cap member that connects one end of the inner cylinder to one end of the outer cylinder, and that has an opening connected with an inner diameter side channel; an inner cylinder blocking member that blocks the other end of the inner cylinder; and an end portion adhesion material for adhering and fixing the inner cylinder blocking member and the outer cylinder, wherein the inner cylinder blocking member, the outer cylinder, and the end portion adhesion material are arranged so as to integrally block the granular filter medium.

A compact shower water filter assembly for holding a water filter element therein. The water filter element is easily changeable by unscrewing two halves of a body forming the filter assembly. The body halves are easily gripped and turned, so as to be opened or closed. The upper half of the body is internally threaded to engage the shower arm, and may pivot about the shower arm. The bottom half of the water filter assembly may include a showerhead, converting the shower water filter assembly, into a filtered showerhead assembly. The shower water filter assembly may be easily and quickly adapted to be held on any shower arm, and to replace any existing shower water filter without taking up as much room as currently existing shower water filters.

A compact shower water filter assembly for holding a water filter element therein. The water filter element is easily changeable by unscrewing two halves of a body forming the filter assembly. The body halves are easily gripped and turned, so as to be opened or closed. The upper half of the body is internally threaded to engage the shower arm, and may pivot about the shower arm. The bottom half of the water filter assembly may include a showerhead, converting the shower water filter assembly, into a filtered showerhead assembly. The shower water filter assembly may be easily and quickly adapted to be held on any shower arm, and to replace any existing shower water filter without taking up as much room as currently existing shower water filters.

A reversing valve, and an assembly method of the reversing valve. The reversing valve includes: a main valve including a first valve body and an adapter tube, the first valve body having a first valve cavity, and one end of the adapter tube being in communication with the first valve cavity; a pilot valve including a second valve body and a capillary tube, the second valve body having a second valve cavity, a first end of the capillary tube being in communication with the adapter tube or the first valve cavity, and a second end of the capillary tube being in communication with the second valve cavity; and a sleeve, wherein a side wall of the adapter tube is provided with a first mounting hole in communication with an inner hole of the adapter tube; the first valve body is provided with a second mounting hole in communication with the first valve cavity; the sleeve passes through the first mounting hole or the second mounting hole; and the first end of the capillary tube passes through the sleeve.

A faucet-mounted filter system includes a body forming a fluid chamber having a water inlet, a quick connect device positioned adjacent the water inlet for mounting the filter system to a water faucet, a filtered water flow path disposed within the body and in fluid communication with the water inlet, an unfiltered water flow path disposed within the body and in fluid communication with the water inlet, a diverter valve disposed within the fluid chamber and operable to open and close the filtered and unfiltered water flow paths, a seal, an actuator engaging the diverter valve to open and close the filtered and unfiltered water flow paths, a flow meter connected to the body and in fluid communication with the filter flow path, a filter housing connected to the body and having a reservoir, and a filter cartridge disposed within the reservoir.

A sterilization water discharge device is disclosed. A sterilization water discharge device includes: a tray part, which is movably disposed under a discharge member for discharging water and allows sterilization water discharged from the discharge member to be received therein and discharged; and a movement driving part for moving the tray part.

A drainless reverse osmosis (RO) water purification system provides relatively pure water for on-demand dispensing, while recycling brine to a domestic hot water system. The drainless purification system includes a pre-filter catalyst cartridge for removing chlorine-based contaminants from a tap water supply upstream from an RO membrane. The catalyst is regularly refreshed by a high through-flow of water to a conventional cold water dispense faucet, thereby significantly prolonging the service life of the RO membrane. The RO membrane is incorporated into a multi-cartridge unit adapted for facilitated slide-out removal and replacement as needed. A control valve recycles brine from the RO membrane to the hot water system during pure water production, and recirculates tap water through the RO membrane when a pure water reservoir is substantially filled. The multi-cartridge unit may further include an air filtration system for providing a flow of filtered air.

A drainless reverse osmosis (RO) water purification system provides relatively pure water for on-demand dispensing, while recycling brine to a domestic hot water system. The drainless purification system includes a pre-filter catalyst cartridge for removing chlorine-based contaminants from a tap water supply upstream from an RO membrane. The catalyst is regularly refreshed by a high through-flow of water to a conventional cold water dispense faucet, thereby significantly prolonging the service life of the RO membrane. The RO membrane is incorporated into a multi-cartridge unit adapted for facilitated slide-out removal and replacement as needed. A control valve recycles brine from the RO membrane to the hot water system during pure water production, and recirculates tap water through the RO membrane when a pure water reservoir is substantially filled. The multi-cartridge unit may further include an air filtration system for providing a flow of filtered air.

A filter assembly includes a manifold with a base and a support ring. The support ring is received within the base such that the support ring is rotatable relative to the base. A housing of the filter cartridge has an interface positioned at an outer surface of the housing. The interface is configured to engage with a post of the support ring in order to mount the filter cartridge to the manifold.

A filter assembly includes a manifold with a base and a support ring. The support ring is received within the base such that the support ring is rotatable relative to the base. A housing of the filter cartridge has an interface positioned at an outer surface of the housing. The interface is configured to engage with a post of the support ring in order to mount the filter cartridge to the manifold.