• RO Membrane Application: Tap Water• Commercial Use• Membrane Size: 2-1/2" x 40"• Permeate Flow Rate (GPD): 600 GPD *• Applied Pressure: 225 psi• Applied Temperature: 77°F*Note: Tap water membrane specifications are based on 225 psi pressure and 77°F temperature.**Note: Watts commercial membranes are packaged in preservatives. Keep in cool environment if stored for prolonged periods of timeThe Watts W-2540-TW Commercial Membrane for reverse osmosis systems are specifically designed to purify 600 Gallons per day (GPD) for tap water applications. Watts tap water commercial membrane GPD production rate is specifically based on operating 225 psi pressure and 77°F temperature. Pressure and Temperature differentials can affect RO Membranes GPD production rates.Watts Commercial Membrane Specifications• Membrane Type: TCF (Thin Film Composite)• Material: Polyamide• Charge: Negative• Configuration: Spiral-Wound• Salt Rejection: 99.5%• Max Temp 113 F• Max psi: 400 psi• Max Turbidity: