1. More stable and sensitive automatic control without electricity. A float in the valve rises and falls to control the flow of water to the valve, and includes a filter screen to filter out impurities in the water. 2. Product use: automatic water replenishment of water tanks, solar energy, livestock drinking water, aquaculture, etc. 3. The valve replaces the traditional floating ball valve. It does not need electricity, is easy to use, has a long service life, has a low failure rate, and saves water resources. 4. You can choose the most suitable ball valve to use according to the specific conditions of the water tank and the length of the outer pipe. 5. The installation process is simple and fast; the water output is large, and the water level can be quickly restored. Notice: Due to different monitors and lighting effects, the actual color may be slightly different from the picture Due to manual measurement, please allow 1-3cm deviation Number of pieces shipped: 1 piece Product color: as shown Product size: (approx.) 11.8*5.8cm