Pentek
Pentek (151117) Filter Housing O-Rings 241 FOR 10", 12" & 20"; Viton
$15.78
Pentair O-Rings for Filter Housings
Seals the housing sump to the housing cap to prevent leaks. It is important to keep the o-ring lubricated with silicone grease.
Viton Grade (part # 151117) fits #10, #12, and #20 all natural polypropylene housings. Approx 4" in diameter.