Patent ID: 6962256

Claim:
A filter for a fluid system comprising: a housing having an interior cavity; a filter media disposed in said interior cavity and defining a central opening; and a center tube assembly disposed in said central opening and including first and second discs stacked together with said first and second discs terminating in an outer portion adjacent to said filter media, said discs each including a central portion, said central portion including first imperforate tubular portion joined to said outer portion, a second imperforate tubular portion that is axially spaced from said first imperforate tubular portion, a plurality of axially extending circumferentially spaced apart vertical walls having opposite axial ends connected to respective ones of said first and second imperforate tubular portions for defining spaced apart first openings, and a plurality of fins extending axially and radially outwardly from radially outermost surfaces of said first and second imperforate tubular portions and said vertical walls toward said filter media.