Patent ID: 8597390

Claim:
An air cleaner having a housing having an opening and a filter having a frame and an element supported to the frame, wherein the filter is attached to and detached from the housing through the opening, and a filter seal portion is joined to a housing seal portion in a state in which the filter is installed into the housing, the air cleaner comprising: a protection portion provided in the housing and extending along the housing seal portion and along an attaching and detaching direction of the filter, the protection portion further protruding toward the filter than the housing seal portion in a direction generally parallel to an airflow direction of air to be passed through the filter; and a slide protrusion provided at a lower end of the frame and protruding further toward the housing seal portion than the filter seal portion, wherein the slide protrusion is slidable on the protection portion at a time of attaching and detaching the filter to and from the housing in a direction generally orthogonal to the airflow direction of air to be passed through the filter.