Importance

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Abstract

An axial flow filter element including alternating flat and folded media layers forming axial channels, one end of a first group of channels being sealed and the remaining channels being sealed at the other end so fluid flowing through the element passes from channels of the first group through the filter media to channels of the second group to exit the filter; channels of the second group adjoining each side of channels of the first group spaced from the edge of the filter element so fluid flows through the entire lateral area of the first channels; an annular sealing collar adjacent an axial end face of the filter element connected to the exterior of the element to seal the element in a housing; part of the collar projecting axially beyond the end face of the element, and a frame connected to the projecting part for radially supporting the collar.

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First Claim