Patent ID: 7001440

Claim:
A filter for removing particulate matter from air, comprising: an annular filter media disposed in a housing having an air inlet in a side of said housing and an air outlet in an end of said housing; the annular filter media having a first end and a second end defining a longitudinal axis, and an outer dirty side surface of a first diameter and an inner clean side surface of a second diameter circumscribing said longitudinal axis; a first end cap having an annular sleeve portion with first and second ends, the annular sleeve portion circumscribing said longitudinal axis, the first end of the sleeve portion being partially closed by a radially extending annular disk; an array of fins extending radially outward from the sleeve portion; and an annular gasket of a compressible or flexible gasket material affixed to the annular disk portion, extending in the direction of the longitudinal axis, and provided to seal with the outlet of the housing, wherein said air inlet faces said annular sleeve portion to direct air in a direction orthogonal to said longitudinal axis.