Patent ID: 8168066

Claim:
A quick drain fluid filter apparatus comprising: a filter cartridge for installation into a filter housing with a standpipe; an interior volume disposed axially through the filter cartridge; and a plug protrusion extending axially from an axial end of the filter cartridge and spaced radially away from the interior volume, the plug protrusion comprising a sealing portion disposed on one side of the plug protrusion and a sealing portion disposed on another side of the plug protrusion, the plug protrusion comprises a barb that has a thicker portion relative to a thinner portion, the thinner portion is disposed between the filter cartridge and the thicker portion, the thicker portion extends axially away from the filter cartridge, and the sealing portions cover a part of the thinner portion and the thicker portion, such that the sealing portions extend around an axial end of the thicker portion and away from the filter cartridge, wherein the plug protrusion is configured to seal a service drain passage by being insertable into the service drain passage between a portion of the filter housing and a portion of the stand pipe, when the cartridge is installed in the filter housing.