Patent ID: 8562707

Claim:
An air cleaner comprising: (a) a filter element comprising: (i) a filter media construction comprising a fluted construction formed from a corrugated sheet secured to a face sheet and coiled to form the filter media construction having first and second opposite flow faces; (A) the filter media construction being configured to only allow air flow to pass from the first flow face to the second flow face with filtering passage through the filter media; (ii) a frame construction positioned on the filter media construction and having a portion surrounding, and secured to, an end of the filter media construction; (A) the portion surrounding the end of the filter media construction having a non-circular shape with two opposite straight sides extending between two opposite curved ends; (iii) a housing seal member positioned on the frame construction; (iv) the frame construction including a member extending across one of the first and second flow faces in extension between the opposite straight sides; (b) a housing having an air inlet, an air outlet, a body member, an access opening, and an access cover; (i) the body member comprises first and second opposite straight side sections and a curved, closed section in extension between the first and second opposite straight side sections; (ii) at least part of the access opening, unless closed by the access cover, is located opposite a portion of the curved, closed section extending between the first and second straight side sections; and (c) the access cover being removable from the body member and positioned to close the access opening; (i) the access cover retaining the filter element in a sealing relation inside of the housing.