DuPont Filmtec 850 GPD, 40″ x 21/2″ Nanofiltration Membrane for Commercial Applications


  • Removes a wide variety of Inorganic & Organic Compounds

  Commercial membranes are non-stock, special order items. They are shipped direct from our supplier. As such, these items are non-returnable and non-cancelable. Please make sure that this is the correct item for your application before you place your order.
40" × 2.5" Nanofiltration Element for Commercial Applications

Permeate Flow Rate: 600 GPD (2.3 m³/d)
Stabilized Salt Rejection: 99.0% MgSO4
Minimum Salt Rejection: 97%

  • Permeate flow and salt rejection based on the following standard test conditions: 2000 ppm MgSO4, 70 psi (0.5 MPa), 77°F (25°C).
  • Flow rates for individual elements may vary ±20%.
  • Developmental product available for sale.

View a chart that shows which inorganic compounds can be removed from drinking water with this reverse osmosis membrane.

Filmtec Commercial Membrane Dimensions
A: 40.0" B: 1.19" C: 0.75" D: 2.401"

Additional information

Weight 15 lbs
Cartridge Size

Gallons Per Day

Country of Origin

DuPont NF270-2540 Data Sheet