Patent ID: 8920528

Claim:
An air filter cartridge comprising: (a) a media pack having inlet and outlet opposite flow faces; the media pack comprising a z-filter media construction having a network of inlet and outlet flutes, inlet flutes being open at a region adjacent the inlet face and being closed at a region adjacent the outlet face; and, outlet flutes being closed adjacent the inlet face and being open adjacent the outlet face and oriented with flutes of each fluted sheet extending in a direction between the inlet and outlet flow faces; (i) the media pack having opposite first and second sides and opposite third and fourth sides therebetween; (ii) the third and fourth sides are longer than the first and second sides; (b) a shell secured to the media pack; the shell including a frame mounted against the outlet flow face and a seal support section; (i) the frame including a media face cross-piece arrangement extending across the outlet flow face; (c) a seal member oriented against the seal support section; and (d) a cartridge-handle offset from the first side and second side of the media pack and projecting from the shell along the third side of the media pack.