Proline 104-827HC 1/2" X 10" Quarter Turn Anti-Siphon Frost Free Sillcock Sillcock valve Easy quarter turn Built in backflow preventer checks siphoning back into the water supply Sillcock drains automatically upon water shut off For use in residential or commercial buildings Quarter turn on or off Neutral putty colored handle blends in with siding or brick Chrome plated solid brass body and tube protects against corrosion Notched flange allows stable installation on siding Solder or threaded water supply connection