Discontinued - Dow Filmtec ® TFC 24 GPD RO reverse osmosis membrane - standard size 1.75" X 11.75" # 93430
The correct replacement is the Pentair-TLC-24-Membrane. You will receive the Pentair replacement membrane when placing your order for the discontinued Filmtec membrane.
Pentek # 151121 O-Ring For Slim Line Water Filter Housing Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands. O-Ring For Slim Line Water Filter Housing. Buna-N FDA Grade. (Slim Line Housings Use A 3 1/2" diameter "O" Ring) Ametek # 151121 Same as Culligan OR-38 O-ring.