Highlights Anti-siphon Frost FreeA a€“A 1/2" FIP or 3/4" MIP LGTH in: 8" Features Integral vacuum switch with vandal-resistant vented cap, non-return valve, rubber-coated handle Green oval shape to help battle corrosion with stainless steel screw a€“ O-ring Bonnet (no more Packing) Internal valve is springless and works with water pressure Asse 1019 and IAPMO available