– Dezincification Resistant Brass Alloy – T.E.A. Coated 3-Way Ball Style – Triple Sealing Stem with 2 FKM O-Rings and Teflon Seal – Blow-Out Proof Stem – 100% Leak Tested – 100% Made in Italy – NSF 61 / NSF 372 Certified – Leakproof Stem – Lifetime Warranty – 29 in-HG Vacuum Rating – Wetted Surfaces Contain Less than .25% Lead Content