Patent ID: 9399183
Filing Date: 2016-07-26
CPC Classification: B01D

Claim Text:
1. A vent filter for a holding tank, comprising: a one-piece vent filter housing having a first axial end and a second axial end; said vent filter housing being defined by a wall which is substantially rigid; a flow path extending between said first axial end and said second axial end for passive flow; said first axial end and said second axial end having at least a first cross-sectional dimension; an intermediate location between said first axial end and a second axial end, said intermediate location between said first axial end and said second axial end having a second cross-sectional dimension, said second cross-sectional dimension being less than said first cross-sectional dimension; and a filter material disposed in said flow path and fully covering said flow path at said intermediate location when said housing is in a substantially horizontal configuration; end caps connected to said vent filter housing, each of said end caps having a fitting extending therefrom for tubing connection.