Patent ID: 7090712

Claim:
A filter element arrangement comprising: (a) a media pack having a substrate comprising first and second opposite flow faces and a plurality of flutes wherein in said media pack; (i) each of said flutes have a first end portion adjacent to said first flow face and a second end portion adjacent to said second flow face; (ii) selected ones of said flutes being open at said first end portion and closed at said second end portion; and selected ones of said flutes being closed at said first end portion and open at said second end portion; (iii) said substrate at least partially covered by a layer comprising fine fiber comprising a fiber with a diameter of about 0.01 to 0.5 microns, the fiber comprising a polymer and about 2 to 25% of resinous additive in the form of a coating on the fiber such that the fiber, when tested under conditions of exposure for a test period of 16 hours to test conditions of 140° F. air at a relative humidity of 100%, retains greater than 30% of the fiber unchanged for filtration purposes; and (b) a sealing system including a frame construction and a seal member; (i) said frame arrangement including an extension projecting axially from one of said first and second flow faces, said extension comprises a hoop construction having an outer radial surface; (ii) said seal member being supported by said extension of said frame arrangement; (A) said seal member comprising a resilient seal member; (B) said seal member being oriented against at least said outer radial surface.