Pentek (143216) O-Ring for ST-1, ST-2, and ST-3 20 inch x 4.5 inch Big Blue Filters2043 Fine sediment filtration

Fine sediment filtration

Cold water use

Installing Your Check Valve

NIST Certified

and emits far infrared rays for enhanced hydration

Pentek (143216) O-Ring for ST-1, ST-2, and ST-3 20 inch x 4.5 inch Big Blue Filters2043 Fine sediment filtrationPentek Replacement O Ring Pentek 143216 O Ring for ST 1, ST 2, and ST 3 Housings Genuine OEM rubber gasket engineered to maintain a leak proof seal in Pentek stainless steel filter housings OEM Part Food Grade Safe OVERVIEW Why This O Ring Matters The Pentek 143216 is a precision molded rubber O ring designed specifically for the ST 1, ST 2, and ST 3 stainless steel filter housings. This isn't a generic gasketit's an exact fit replacement that