Stainless steel body and ball is corrosion resistant, an excellent choice for water systems and residential plumbing. Certified low lead making it suitable for potable water. Stainless steel handle will not corrode as quickly as plated steel, so is ideal for barns and other corrosive environments. Full port design for optimum flow rate. PTFE (polytetrafluoroethylene) seats and packing. Blow out proof stem.