Anti-Siphon Sprinkler Valve 3/8" and three Port-A-Rain sprinkler bases

and three Port-A-Rain sprinkler bases

The valve opening is then controlled by the sprinkler controller

Combination bottom inlet accepts both 1/2-in

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

Compatible with PVC and polyethylene sprinkler systems of all major brands

Anti-Siphon Sprinkler Valve 3/8" and three Port-A-Rain sprinkler basesThe 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.