Frostproof Wall Hydrant, Inlet Size 3/4 in FNPT, Wall Thickness 14 in, Recommended Wall Opening 2 in x 3-7/8 in, Length 18 in, Includes Vacuum Breaker and Key, Casing Material Polished Brass, Outlet Size 3/4 in Hose, Max. Pressure 125 psi, Max. Temp....