The hot and cold hose bib has 4Inch Length, the thread of bottom are both 1 / 2inch Male Iron pipe thread Which is connecting Female 1 / 2Inch pipe or fittings, The thread of middle hose bib is 3 / 4 Male thread which is connecting a standard Amercian Female garden hose or fittings This Outdoor Water Spigot has included vacumm bearker ( pressure relief gate) that presvent the faucet from bursting in freezing weather of winter Outdoor water faucet for hot water and cold water is on outdoor wall ( It is a none freeze water spigot) Installed Horizontally The design of 4inch outdoor water faucet which can provide Hot and cold water to defeat freezing winter The 4inch frosts proof outdoor faucet is make of brass and with full turn metal handle, Easy to shut / off and control water flows, very sturdy, Manufacturer: YIGZYCN