100% Brand New! Fine Thread Hose Adapter: 1-1/16" Fine Thread (female) High Quality Heavy Duty: Our Hose Bib Adapter Is Made Using Solid Brass That'S Impact Resistant And Zinc Galvanized To Offer Protection Against Rust And Corrosion. Fix The Following Symptoms: These hose bib adapters replace garden hose connections.，Repairs low flow due to the limitation of the Arrow brand anti-siphon device, in which case, no anti-siphon part is required, just replace this adapter to get almost twice the water flow (gpm) from the same hose. 1.Eliminate water restriction，2.Increase Pressure & Flow，3.Fixes the leak Easy to install: For Arrowhead Spigots When You Can Remove the Entire Vacuum Breaker. Fine Threads are 1" in Diameter.