Amazon.com: Homewerks VFF-ASP-C19PA Anti-Siphon Frost Free Sillcock, 1/2-Inch Male Thread or 1/2-Inch Solder, 1/2-Inch inlet by ¾ inch garden hose thread outlet by 12-Inch in length : Everything Else
plumbing - What is attached to this spigot and how to remove - Home Improvement Stack Exchange