400 GPD Reverse Osmosis Membrane TFC 3013 - 400GPD. These R.O. TFC (thin film composite) membranes are available in flow rates up to 400 Gallons per day The output water is running water, sweet and tasty. Suitable for most reverse osmosis water filtration systems. High water flow: The reverse osmosis membrane is rated at 400 gallons per day, adopts physical filtration which is long acting and stable, ensuring that families will have plenty of clean drinking water available on demand. Membrane Solutions 400 GPD RO Membrane, Reverse Osmosis Membrane with Membrane Housing, 1/4 Quick-Connect Fittings, Check Valve, Replacement for Under Sink Home Drinking RO Water Filter System in Kenya | Replacement 2pcs 400 Gpd Reverse Osmosis Filter Reverse Osmosis Membrane HID 3013... Life span: 24-36 months life span depending on your water quality. High quality RO membrane: Reverse Osmosis membranes are made of 100% Thin Film Composite (TFC) material for purification performance with the characteristics of water saving, large water flow and stable performance. Waterdrop G3 Undersink RO System Replacement Filters COMBO Please note to flush new membrane for 30 minutes when used for the first time.