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Since 1999
GE Osmonics ® Purtrex PX-5-978 Sediment Replacement Water Filter # 93023 9 7/8" 5 micron. High capacity.
Pentair GRO-36EN W/DLFC 36 GPD Encapsulated Membrane with 100 ml Flow Control.
Pentair GRO-50EN W/DLFC 50 GPD Encapsulated Reverse Osmosis Membrane with 150 ml Flow Control.
Pentair GRO-75EN W/DLFC 75 GPD Encapsulated Reverse Osmosis Membrane with 200 ml Flow Control.
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.