151122 BB Buna-N Replacement O-Ring for BB Sumps.

Pentek 151122 BB Buna-N Replacement O-Ring for BB Sumps.

Pentek 151122 O-Ring For Big Blue Water Filter Housing Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands. O-Ring For Big Blue Water Filter Housing. Buna-N FDA Grade. (Big Blue Housings Use A 5 3/4" diameter "O" Ring) Ametek 151122 Same as Culligan OR-100 for HD-950.

Note: This o-ring will NOT work in Pentek Big Clear or Big White housings.

Ace Hardware 4001756, 49561

American Plumber W10-OR, 152032

Ametek 151122-03

Culligan Water Filters OR-100, OR100, 151122-27, 01019189

Everpure EV363100

Pura UV Lamps & Filters 34202017