The 154077 filter housing cap has 1 inch NPT inlet and outlet ports. There is a 1-1/4 inch internal port that allows a greater volume of liquid to pass through the cap more rapidly.
The 1" inlet/outlet filter housing cap is made of high-flow polypropylene.
The 154077 water filter housing cap fits #10 Big Blue Polypropylene housings and #20 Big Blue water filter housings.
Filter Housing Cap 154077 Specifications:
Materials of Construction: Polypropylene (HFPP)
Inlet Outlet Ports: 1 Inch
Width: 7-1/4" (184 mm)
Pressure Release Button NOT Included. Order the 154166 Housing Cap if a pressure release button is needed. The 154166 Cap is stocked and can ship quicker than the 154077 Cap.