SUEZ AK-90; 4" x 40"; High Rejection; 2300 GPD; Replacement Reverse Osmosis Membrane - (Product Flow @ 120 PSI) (Veolia)SUEZ Commercial RO Membrane AK 90 High Rejection Thin Film Membrane 4" x 40" low pressure brackish water element delivering 2,300 GPD at 120 PSI with 99. 5% average salt rejection for commercial reverse osmosis systems MEMBRANE 99. 5% NaCl Rejection 90 ft Active Area 400 PSI Max WHY IT WORKS Engineered for High Rejection at Low Operating Pressure Energy Efficient Design AK HR proprietary thin film composite achieves excellent rejection at pressures as