EZ-Fluid Pack of 10 Pcs, 1/2" Pex Quarter Turn Full Port Brass Stop Repair Water Shut Off Ball Valve Lead Free, Pex Fitting on Both End, Barb Crimp Ring Type ASTM standard F1807. The lead free full port PEX ball valve feature 1/2 inch connections for PEX tubing on both ends and is useful for heavy duty commercial and residential applications. Typical uses include domestic hot cold water systems and natural gas. The valve is operated with a chrome plated Brass handle covered with a vinyl grip. The handle lever makes a 90 degree quarter turns by opening or closing A valve. The construction of heavy duty forged Brass valve pressure is rated 150 psi for steam and 600 psi for water, oil and gas (wog). this lead free product has been rated nsf-61-g by UPC standards