Whirlpool WHERPM Reverse Osmosis Membrane was originally designed to fit the Premier Reverse Osmosis Unit. This membrane will also fit many standard RO systems including those made by Omni and GE.
Membrane NOT compatible with the Whirlpool WHER12 or WHER18 reverse osmosis systems.
- This 24 Gallons per day membrane comes with installation instructions and adaptor piece. Genuine Whirlpool Replacement part.
- Also known as part number 137856.