• RO Membrane Application: Tap Water• Commercial Use• Membrane Size: 4" x 40"• Permeate Flow Rate (GPD): 2200 GPD *• Low Energy Membrane**Note: Watts commercial membranes are packaged in preservatives. Keep in cool environment if stored for prolonged periods of timeThe W-4040-LE Commercial Membrane for Low Energy reverse osmosis systems are specifically designed to purify 2200 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: