Captain O-Ring LLC

This Pentek 151122 OR-100 O-ring is used to seal water filter housings. It has an inside diameter of 5-1/2" and outside diameter of just over 5-3/4 inches and is made of nitrile butadiene rubber (Buna-N) for flexibility and resistance to abrasion and tearing. The o-ring fits Pentek Big Blue filter housings, which are used in various applications, such as drinking water purification, swimming pools, industrial processes, and more. Compatible with the following filter housing models: Pentek #10 and #20 Big Blue opaque filter housings with 1" or 1-1/2" inlet/outlet connections APEC HBB-20/HBB-10 series (input sizes: 3/4", 1", 1.5"), HBC-20/HBC-10 series (input sizes: 3/4", 1", 1.5") Ace Hardware 49561 Ametek Kleen-Plus HD-10-R50, BBS American Plumber W10-PR, 152014, W2010-PR, 152015, W15-PR, 152016, W2015-PR, 152017, WWHC, 152022 Culligan HD-950, HD-950A Pentek 150237, 150239, 150469, BBFS-22, BBFS-222 The 151122 o-ring is a direct replacement for the following other part numbers: Ace Hardware 4001756 APEC O-...