Air purifier

Abstract

An air purifier is disclosed. The air purifier according to an aspect of the present invention may include a housing that forms an external shape and has a housing space therein that communicates with the outside; and an air purification unit that is coupled to the housing, comprises a fan member that provides a conveying force to allow external air to be introduced into the housing space of the housing, and a filter member that filters external air introduced into the housing space, and purifies the external air introduced into the housing space and then discharges it to the outside, wherein the housing includes a clean inlet part partially surrounding the housing space, formed through one or more surfaces of the housing, and communicating the housing space and the outside; and a dust inlet part partially surrounding the housing space, formed through one or more surfaces of the housing, and communicating the housing space and the outside at a position different from the clean inlet part, wherein the clean inlet part is configured to be open or closed, and when the clean inlet part is closed, the speed of external air introduced into the dust inlet part is increased by the fan member.