Anti-Siphon Sprinkler Valve 3/8" D-RING DESIGN: Use the D-ring

D-RING DESIGN: Use the D-ring design handle to hang your nozzle for easy storage

UNIQUE EXTERIOR: Smooth expandable polyester stretches to expand with the hose allowing it to it to dry faster and stay clean

and three Port-A-Rain sprinkler bases

Reduces damage to drip watering system

Combination bottom inlet accepts both 1/2-in

Anti-Siphon Sprinkler Valve 3/8" D-RING DESIGN: Use the D-ringThe anti siphon sprinkler valve prevents the occurrence of siphoning where a sprinkler system sucks water back in after its been shut off. This prevents chemicals and other pollutants from entering the main water supply. For use with underground sprinkler systems.