"MUELLER" FROST FREE SILLCOCK10" Frost Free Sillcock 3/4" Male Iron Pipe & 1/2" Female Connections 3/4" Hose Thread Outlet Sillcock Drains Automatically Upon Shut Off Chrome Plated For Appearance & Corrosion Protection Notched Flange Allows For Stable Installation Lead Free Silver Solder Construction Build In Lockshield Pipe Threads Comply With ANSI B1.20.1.