O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"

* PARTS, O-RING FOR CURRENT WH20/25/250/2201 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20" INCH CANISTER

* Only for Pentek Housings, current Whole House Systems WH-20/25/250/2201 models

* One ring for each housing

* This listing is for the rings only. Housing is NOT INCLUDED.