Anti-siphon valve

Anti-siphon valve, Ř 13 - 32 mm

Vetus Air Vent Anti Syphon Device with Hose

1/2 NPT 90 Degree Anti Siphon Valve, 1/2 hose.

Anti-Siphon Valve 1/2 90 Degree

VPAS8, Anti-Siphon Valves Kit (3/8″ SAE)

Anti Siphon Valve SafeRack's Industrial Index

faucet - Do I need to replace the anti-siphon valve? - Home

Buy Lawn Genie L4010 Anti-Siphon Valve, 1 in, FNPT, 75 to 150 psi Pressure, 0 to 30 gpm, PVC Body

WeatherMaxx Anti-Siphon Valve Weather Protection

What Is an Anti-Siphon Faucet?

Lawn Genie Underground Sprinkler Automatic Anti-Siphon Valve, 3/4-In.

Use this Orbit 80 psi Brass Anti-Siphon Valve with Flow Control to help prevent irrigation water contaminants from entering the main water supply. The

3/4 in. Brass Anti-Siphon Control Valve

What Is An Anti-Siphon Valve and How Does it Work?