Enclosed Wall Hydrant Inlet Size 3/4 in FNPT or 1 in MNPT Wall Thickness 4 in Recommended Wall Opening 5-1/4 in x 6-1/4 in Length 5 1/2 in Includes Vacuum Breaker and Key Handle Type Loose Key Casing Material Nickel Bronze/Chrome Hydrant Face Outlet Size 3/4 in Hose