Purenex PRO 3.2 Reverse Osmosis Water Storage Pressure Tank

Best pressure tank on the market, designed to last 5+ years
PAE # RO-132 NSF and CE certified tank
FDA approved bladder, food grade, no rubber smell, no plastic smell, stainless steel connection on top
4 gallons outside volume, holds 3. 2 gallons of water
Pre-charge at about 5-7 psi