WOODFORD MFG. 12 inL Brass Frost Proof Sillcock, Die Cast Aluminum Handle, Solder Cup or MNPT - 6CHW0|19CP-12 - Grainger
Woodford 1/2 in. x 3/4 in. Brass Sweat x MPT x 8 in. L Freeze-Resistant Anti-Siphon Sillcock-17CP-8-MH - The Home Depot
What is a “frost free” hose spigot and how does it work? - Junior's Plumbing | Spotsylvania, Caroline, and Stafford VA What Is a "Frost Free" Hose Spigot & How Does It Work?
Homewerks Worldwide 1/2 in. MIP x 6 in. Frost Free Chrome Plated Sillcock Valve-VFCNASC13B - The Home Depot