1/2" x 3/4", Male Hole Thread x 10" Frost Free Sillcock, Push To Connect Anti-Siphon, 1/2" Push Inlet Compatible With Copper, Pex, CPVC Or PE-RT Pipes & 3/4" Male Hose Thread Outlet, Integrated Hose Bibb With A Durable Forged Body For Strength, Multi Turn Shut Off Valve Is Located At The Inlet Of The Sillcock To Help With Freeze Resistance & Allows For The Regulation Of Water Flow, Comes With Integrated Mounting Flange To Secure It To The Mounting Surface & Integrated Air Gap Back Flow Prevention System To Prevent Any Potential Back-Siphonage, NSF372 & NSF/ANSI 61 Approvals.