CPC B01D 29/05 (2013.01) [B01D 35/30 (2013.01); B01D 36/001 (2013.01); B01D 2201/167 (2013.01); B01D 2201/291 (2013.01); B01D 2201/342 (2013.01); B01D 2201/347 (2013.01)] | 16 Claims |
1. A filter cartridge comprising:
a filter medium;
a flange having a first side directly interfacing with the filter medium and a second side opposite the first side, the flange comprising a cylindrical extension extending from the second side, the cylindrical extension comprising a vent configured to facilitate passage of air therethrough;
a first sealing element directly interfacing with the cylindrical extension; and
a second sealing element directly interfacing with the cylindrical extension;
wherein the vent is positioned in the cylindrical extension between the first sealing element and the second sealing element,
wherein the cylindrical extension comprises a stop;
the second sealing element is inserted on the stop; and
the first sealing element directly interfaces with the flange in addition to directly interfacing with the cylindrical extension.
|