Float Valve For Watering

This Non-Siphoning Float provides a minimum Air Gap of 1 1/4" to Prevent Back Siphoning. It Fits Most Plastic Tanks and Attaches to Garden Hose. Product Converts Any Farm Tank Or Barrel Into An Automatic Non-Siphoning Stock Waterer. Product is tough, Weather Resistant, and has a High Impact Plastic Valve Unit. Product has a Precision Die Cast Aluminum Float Housing and a Plastic Encased Styro Float. Product has a 300 Gph Capacity and there are No Internal Metal Parts to Corrode. It also has a Replaceable Water Shut-off Orifice.