The PL50T100 RO system is made in the us and includes a 5 year guaranty at the NSF 3.2 gallon storage tank and a life-time guaranty at the NSF/Prop 65 lead free tap.PuROLine PL50T100 5 Stage reverse osmosis system delivers as much as 100 gallons of water per day with a 20 micron pre-clear out, 5 micron clear out, activated carbon, Desal membrane, and a carbon post-clear out. The PuROLine PL50T100 RO system includes a 3.2 gallon tank, auto shut off valve, John Guest fittings, NSF/Prop 65 lead free air gap tap, and three/8″ from tank to tap.