New Replacement Pentek 151122 OR-100 O-Ring Product Size: approximately 5.5" Inside Diameter x 5.83" Outside Diameter x 0.165" Thickness Compatible with: Pentek 151122; Culligan OR-100 151122-27 Compatible with: American Plumber 152032 W10-OR; Ametek Kleen-Plus 151122-03; Ace Hardware 4001756 Compatible with Pentek #10 and #20 Big Blue Water Filter Housings.Can be used as a water filter shell to repair leaks Replace leaking o-ring gaskets to maintain pool chlorinator seal against pressure leaks Made of good rubber, long service life, soft, strong enough, good quality, durable, easy to install, good sealing performance, with leakage prevention function Package Includes: 5 X 151122 O-Ring Gasket Seal 【Product Size:】 Approximately 5.5" Inside Diamete Approximately 5.83" Outside Diameter Approximately 0.165" Thickness 【Compatible with:】 Pentek 151122 Culligan OR-100 151122-27 01019189 American Plumber 152032 W10-OR Ametek Kleen-Plus 151122-03 Ace Hardware 4001756 【Model Compatible:】 Pentek/Pentair Big Blue opaque filter housings: 142928 REV B NV13, 150233, 150234, 150235, 150236, 150237 150238, 150239, 150240, 150383, 150426, 150467, 150468, 150469 150470, 150639, 150671, 150672, 150686, 150687, 150688, 150689 150690, 150691, 158799, BBFS-22, BBFS-222 Pentek/Pentair Big Blue Heavy Duty Series: 150469, 150470, 150467, 150468, 158799, 150237 150238, 150233, 150234, 150239, 150240, 150235 150236, 150671, 150426, 150383, 150672, 150639 Big Blue with Drain 150689, 150690 PBH Series Bag Filter Housings 150360, 150367, 150338, 150337 【Package Includes:】 5 X 151122 O-Ring Gasket Seal