US Patent 9764266 Modular air filter housing

An air filter module for modularly mounting angled air filters. The module includes a top plate, bottom plate, left and right front corners with the corners defining perpendicular side walls, angled filter end retention walls, angled side walls, and a back wall with angled side walls, parallel end retention walls, and a positioning guide. The positioning guide is constructed from clips or a guide face and an inner side positioning wall.