Complete, reliable and easy to install multi-valve system. Works with PVC and poly-pipe systems, adapters for 3/4 in and 1 in PVC pipe included (poly adapters available separately). Snap-wire wiring valves eliminates messy grease caps and confusing wiring. Works with residential standard 24 Volt sprinkler systems. Durable UV resistant and high-impact construction. Jar-Top valves, durable, reliable and easy to use. Internal bleed lever for spray free manual on/off operation.