The Pentek 150233 #20 Big Blue filter housing is suitable for high-flow and heavy sediment applications. The black cap has 1” female National Pipe Thread Taper (NPT) threaded input and output connections and a nitrile butadiene rubber (Buna-N) O-ring to ensure a watertight seal. A pressure relief button on the inlet side of the cap releases pressure in the housing for changing filter cartridges.
Housing: Polypropylene (Blue)
Cap: Polypropylene (HFPP)
O-Ring: Buna-N