Quarter Ball &frac14;-Turn Ball Valve Frost Proof Sillcock; 12" wall thickness; &frac12; m.p.t. x &frac12; copper inlet connection QB-112MC Rugged ball valve construction - tested to over 290,000 On/Off Cycles -turn convenience - Ergonomic handle for left or right hand operation Solid brass cartridge - no ceramic discs, no compression washers, no O-Rings Fully code approved with both anti-siphon & anti-backflow protection; Patented - U.S. & Others Enclosed screw holes with built-in drainage pitch