Patent ID: 8961637
Filing Date: 2015-02-24
Classification: B01D,Y10T

Abstract:
1. A filter element for installation in a filter retainer tube; the filter element comprising: (a) a media pack having first and second opposite ends; the media pack having a first flow face at the first end and a second flow face at the second end; the media pack including a plurality of flutes extending between the first flow face and the second flow face; selected ones of the flutes being open at the first flow face and closed adjacent to the second flow face; selected ones of the flutes being closed adjacent to the first flow face and open at the second flow face; the media pack having an outer peripheral surface; (b) a first gasket member circumscribing the media pack and being against the outer peripheral surface; the first gasket member having an outer radially directed sealing surface oriented to form a radially directed seal against an internal sealing surface of the filter retainer tube, when the filter element is installed within the filter retainer tube; and (c) a first plurality of circumferentially spaced bayonet pins projecting radially outwardly from the media pack and adjacent to the second flow face; the pins being sized and arranged to operably engage bayonet slots in the filter retainer tube, when the filter element is installed within the filter retainer tube.