Patent ID: 8034144

Claim:
An air filter pack for filtering air; the air filter pack comprising: (a) an air filter media construction configured for straight-through flow; the media construction having a first, inlet end, flow face; and, an opposite, second, outlet end, flow face; (i) the air filter media construction comprising a coiled construction; (ii) the air filter media construction comprising a layer of flutes secured to a face sheet; and, the air filter media construction being closed to flow of unfiltered air completely therethrough; and, (b) a non-porous periphery layer surrounding and enclosing an outside periphery of the filter media construction; and, (c) a sealing system including a seal member positioned on a frame construction; (i) the seal member including a portion oriented to form an outwardly directed radial seal; (A) no part of the seal member portion oriented to form the outwardly directed radial seal being oriented surrounding the filter media.