APEC Water Systems TANK-14 14 Gallon Pre-pressurized Reverse Osmosis Water Storage Tank Pre-pressurized 14 gallon reverse osmosis ro water storage tank (holds up to 10.7 gallons of water) Discharge efficiently in a vertical or horizontal position with tank stand FDA approved food grade bladder to ensure quality, safety and durability Upgrade for small 4 gal tanks- holds 3X more water with improved faucet delivery pressure Larger 3/4 inch male NPT inlet/out connection for faster tank refills and flow rate