Arrowhead 426-04QT 4-Inch Anti-Siphon Frost Free Hydrant with 1/2-Inch Sweat or 1/2-Inch MIP Inlet Connection, Quick Turn Operation Hose bibs and most products are excluded from the requirements of being "lead free" Arrowhead has residential, retail and commercial products Valves are not intended to be used for potable (drinking) water applications