Patent ID: 6571962
Filing Date: 2003-06-03
Classification: B01D

Abstract:
A filter cartridge, comprising:a filter media to filter fluid, said filter media having a first end and a second end, said filter media defining a passage extending between said first end and said second end; a first endplate provided at said first end of said filter media; a seal retainer attached to said first endplate, said retainer having an outer body portion and an inner body portion positioned radially inwards with respect to said outer body portion, said outer body portion being constructed and arranged to retain an outer seal, said inner body portion being constructed and arranged to retain an inner seal at a position located radially inwards with respect to said outer seal, said retainer having a central opening aligned with said passage in said filter media, said retainer defining one or more peripheral openings around said central opening; a second endplate provided at said second end of said filter media, said second endplate having a tube extending within said passage in said filter media, said tube having an inside surface with an inwardly extending lip extending from said inside surface; and a center post gasket having a seal surface to seal against a center post of a filter housing and a lip channel in which said lip of said tube is received.