O-Ring for Slim Line Housings (W38-OR)

Pentek 151121 O-Ring for 3/8" and 1/2" #5 & #10 Slim Line Housings Specifications: Inside Diameter: 3-3/8" Outside Diameter: 3-3/4" Pentek O-Ring Replacement Overview: The o-ring is used to seal the housing canister to the housing cap to prevent leaks. We recommend replacing your o-ring every third filter change or when the o-ring is damaged. Pentek 151121 Oring Compatible Housings: Any 3.5" Diameter Housings #5 and #10 Slim Line Housings 3/8" Inlet/Outlet Slim Line Housings with a 3.5" diameter housing sump 3G Housings Pentek 158622 10" 3G Slim Line Filter Housing 1/2" Clear Sump Ace Hardware 45335, 45449, 48166, 49562, 4001699, 4158515 American Plumber WLCS-500, WRO-3167 Ametek Kleen-Plus / Pentek CSL-CIK, CCF-201, CTR-CMR-10, PSCL-C2, US-560, US-560K, SY-5167, SY-5197 Culligan RVF-10, US-316, US-550 US Filter RO-2127, RO-2300, RO-2300-A, RO-3167 The Pentek #237 O-Ring lso replaces the following o-ring models: American Plumber W38-OR , 152031 Ametek 151121 Culligan OR-38 Pentek 151121, #237