Appliance for a pressured water line, creates a wall of water to help wet and protect.Can create a wall of water 40 feet wide and 20 feet high.Secure with three screws or a single spike in the ground.Three flow rates available: 15, 30 and 50 GPM.Available with 1-½" male or with female threads (with double female connector).The Scotty 4056 is an easy to use device that creates a thin wall of water to help cool and protect structures. The user simply attaches the Squall wall to a water supply...