Frostproof Enclosed Dual Wall Hydrant Inlet Size 3/4 in FNPT or 1 in MNPT Wall Thickness 14 in Recommended Wall Opening 6-5/8 in x 8-3/8 in Length 18 3/16 in Includes Vacuum Breaker and Key Handle Type Loose Key Casing Material Nickel Bronze/Polished Bronze Hydrant Face Outlet Size 3/4 in Hose