Arrowhead Brass 425-10LF Anti-Siphon, Frost-Free, Lead-Free, Quick-Turn Wall Hydrant, 1/2, 3/4 x 3/4 in FIP/MIP x Hose

Features integral vacuum breaker with vandal-resistant vented cap. Backflow preventer, rubber coated green oval handle to help battle corrosion with stainless steel screw. 1-piece O-ring bonnet (no more packing). Internal check valve is springless and works with water pressure. ASSE 1019 and IAPMO listed.