150337/PBH-420-1.5IND BOXED 20" Big Blue Bag Filter Housing (Sample)

This 20" Big Blue filter housing accommodates most 20" filter cartridges with 4-1/2" diameters. Large housing size makes this unit perfect for high flow-rate applications. 3/4", 1", or 1.5" NPT inlet and outlet port options are built into the cap. Also built into the cap is a pressure release that relieves pressure before changing filter cartridges.