Patent ID: 8273143

Claim:
An air cleaner assembly comprising: (a) an air cleaner housing comprising a main housing having a first end with an axial air flow outlet, and a second, open end; the main housing body including: (i) an inner, annular, main filter sealing member; (ii) an inner, annular, safety filter sealing member; (iii) a safety liner secured to and extending from the main housing first end and comprising an open support structure and a closed end cap; and (iv) an air flow inlet; (b) a safety filter element extending over the safety liner and removable therefrom, the safety filter element comprising a first end comprising an annular sealing member for engaging the inner annular safety filter sealing member, a second end for removably engaging the closed end cap of the safety liner, and safety media structure extending from the first end to the second end and covering the safety liner support structure; (c) a main filter element comprising: (i) first and second opposite ends, wherein the first end has an air flow exit aperture therethrough; (ii) an annular extension of filter media extending between the first and the second ends; (iii) a first, open, end cap adjacent the first end of the main filter element, the media being embedded in the first, open end cap, and the first, open end cap having a perimeter with a radial seal; (iv) a second, closed, end cap adjacent the second end of the main filter element and having a surface supported by the closed end cap of the safety liner; and (d) a service cover secured to the housing open end.