This 4 X 21 inch 1000 GPD @ 100psi this commercial membrane is an ideal replacement for your old Blue Marlin RO Membrane or for any Commercial Reverse Osmosis System. Even at low pressures, this RO element will prodcue water like a champ. At 60 psi, flow rates of 600 GPD can be realized.

For Best Use:

• >550 PPM TDS 
• De-Chlorinated, Softened Feed Water
• 77 Degrees F
• Maximum Pressure drop for each element is 10 psi. Permeate flow for individual elements may vary +/- 20%.