Features: 1. More stable and more sensitive Automatic control without electricity. The float in the valve is raised and lowered to control flow of water from the valve, and a filter screen is included to filter out impurities in the water. 2. Product use: automatic replenishment of water tank, solar energy, livestock drinking water, aquaculture, etc. 3. The valve replaces the traditional float valve, no electricity, easy to use, long life, low failure rate, and save water resources. 4. You can choose the most suitable ball valve to use according to the specific situation of the water tank and the length of the external pipe. 5. The installation process is simple and fast; The water output is large, and the water level can be quickly restored. Size: As the picture shown includes:1 set x Water Float Valve Quantity:1pc Note: Manual measurement, there may be 1-2cm/1-3g error, which is not a quality problem. Due to different screen displays, there may be a color difference between the real object and the picture, and the main picture shall prevail.