A filter has a port block provided with: an inflow port to which compressed air is supplied, and an outflow port from which purified compressed air flows out. A filter container accommodating an element assembly is attached to the port block. The element assembly has a filter element provided between an upper holder and a lower holder, and a blade cylinder provided inside the filter element. Compressed air supplied from the inflow port and filtered through the filter element is swirled by the blade cylinder.

A refrigerator includes a storage compartment having a front opening and an air sanitation device mounted on a top wall of the storage compartment. The air sanitation device includes: a housing, an air channel located in the housing, a fan, and an air detection device and/or an air purification device located in the air channel. The housing includes a front wall facing the front opening, a rear wall, an upper wall, a lower wall, and a pair of side walls. The air channel includes an air inlet and an air outlet. The fan is configured to force air to enter the air channel from the air inlet, and then be discharged out from the air outlet. The air inlet is located on at least one of the side walls, and the air outlet is located on the rear wall.

A refrigerator has an air sanitation device. The air sanitation device includes: a housing; an air channel located in the housing and having an air inlet and an air outlet; a fan located in the air channel, to force air to enter the air channel from the air inlet, and then be discharged out of the air channel from the air outlet; and an air detection device and/or an air purification device located between the air inlet and an inlet of the fan.

A portable air purifier is provided that may include a housing having an inlet forming a passage through which air is suctioned into the housing, a filter disposed at an upper side of the inlet and configured to purify air suctioned in through the inlet and flowing upward, an irradiator disposed at a lower side of the filter, installed at a height at which the irradiator overlaps the inlet and configured to irradiate light for sterilization onto the filter, and a sterilizer support configured to support the irradiator and configured to be fixed to the housing and disposed around an outer perimeter of the irradiator.

A portable air purifier is provided that may include a fan module disposed between a suction opening and a discharge opening, a filter disposed between the suction opening and the fan module, and a lighting portion disposed between the discharge opening and the fan module.

An air cleaner includes: a housing including a suction portion suctioning air and a discharge portion discharging air, a frame disposed inside the housing, a sterilizer sterilizing the suctioned air, a filter assembly filtering air, a blower moving air, a flow converter disposed on a top surface of the housing, guiding a flow of air, and discharging air inside the housing to an outside, and a guide guiding a direction of the flow converter. The sterilizer includes a sterilizing light source generating sterilizing light, a first sterilizing casing accommodating the sterilizing light source, and a second sterilizing casing coupled to a lower portion of the first sterilizing casing and supporting the first sterilizing casing and the sterilizing light source, where a portion of the first sterilizing casing is spaced apart from the second sterilizing casing to define a space therebetween that dissipates heat generated from the sterilizing light source.

An apparatus configured to purify air and sanitizing including a main base including one or more buttons configured to operate the apparatus, a lid attachable to the main base and that includes one or more ventilation perforations to intake air and an orifice to output purified air, a filter adjacent to the one or more ventilation perforations and enclosed in the lid, wherein the filter is configured to remove at least bacteria from atmospheric air and extract purified air, a fan configured to intake atmospheric air into the filter and blow purified air extracted from the filter outside of an orifice of the lid, a tank configured to store liquid, wherein the liquid includes at least liquid sanitizer, a pump configured to output liquid stored in a tank, and a cavity section that includes an outlet configured to output the liquid sanitizer in response to actuation of the pump.

The present application is to provide a wall-mounted air purifier, including a housing, a filter installed in the housing, and a fan installed in the housing. The housing is provided with an air inlet and an air outlet, the air outlet is arranged at a position corresponding to an outlet of the fan, the filter is arranged between the air inlet and the fan, and the air inlet is arranged at a position corresponding to a rear side of a bottom of the housing, and the air outlet is arranged at a position corresponding to a front side of the bottom of the housing.

The present application provides a wall-mounted air purifier, including a casing, a filter, and a fan mounted in the casing. The casing is provided with an air inlet and an air outlet. The air outlet is located at a position corresponding to an outlet of the fan, the filter is located between the air inlet and the fan, and the casing is provided with a socket for plugging and unplugging the filter, the filter can be detachably inserted into the casing through the socket. In the wall-mounted air purifier provided in this application, a socket is provided on the casing, so that the filter can be plugged into and unplugged from the socket, which is convenient for replacing.

This application provides a wall-mounted air purifier, including a casing, a filter mounted in the casing, and a fan mounted in the casing. The casing is provided with an air inlet and an air outlet, and the air outlet is located at the position corresponding to the outlet of the fan, the filter is located between the air inlet and the fan, an ultraviolet light source is also mounted in the casing, and the ultraviolet light source is arranged between the air inlet and the fan. The wall-mounted air purifier provided in the present application filters and purifies the air by providing a filter in the casing; and an ultraviolet light source is mounted in the casing to sterilize and disinfect the gas entering the air inlet and purify the air, improve air purification capacity.