2.5" x 40" Freshwater Reverse Osmosis Membrane

Reverse osmosis membrane using a semipermeable membrane to remove ions, molecules, and larger particles. For residential, commercial, industrial, and municipal applications including restaurants, hospitals, breweries, and food processing facilities.

Shipping rates are calculated at checkout based on weight and destination. Most orders ship within 1-3 business days directly from the manufacturer's warehouse; ground delivery typically takes 3-8 business days.

See our Shipping Policy for full rate and delivery details. Questions? Contact contact@reinwaterusa.com.

Replacement filters are covered by manufacturer warranty against defects in materials and workmanship. Contact contact@reinwaterusa.com within 30 days of delivery for return authorization.

Note: Installed or opened filter cartridges cannot be returned.