Amazon.com: WHK 8 Inch Frost Anti-Siphon Sillcock 1/2 Inch PEX B X 3/4 Inch Hose Bibb,Frost Proof Outdoor Faucet Bib with Vacuum Breaker-Frost Free Spigot PEX Crimp Connection(Brass) : Patio, Lawn &
The Plumber's Choice 4 in. Anti-Siphon Sillcock Frost Free Outdoor Faucet with 1/2 in. MIP/Sweat Connection and 3/4 in. Hose Bib SILLVAC4 - The Home Depot
Frost-free faucets are now required in Minnesota - Structure Tech Home Inspections
How does an anti-siphon frost proof hose bib work - YouTube
What is an Outdoor Freeze Proof Faucet, and How Does It Work? | Phyxter Home Services
Proplus Part # LB 60 - Proplus 1/2 In. Mip, 14 In. Anti-Siphon Frost-Proof Sillcock, Valve - Hose Bibbs & Sillcocks - Home Depot Pro
EFIELD 6-inch Anti-Siphon Frost Free Sillcock, 1/2 inch Pex-A Expansion Connection X 3/4 inch Hose Bibb, Chrome Plated Brass Body-6 Inch Length - Amazon.com