– Corrosion Resistant Brass – Triple Sealing Stem with 2 FKM O-Rings and Teflon Seal – Blow-Out Proof Stem – Shipped Standard with 304 SS 20 Mesh Screen – Available Mesh Screens: 40, 60, 80, 100 – Reversible Handle – 100% Leak Tested – 100% Made in Italy – Leakproof Stem – Lifetime Warranty