Description: Fully Automatic Use: The water level float valve is designed to automatic control the water level without human supervision, reducing manual and improving work efficiency. Eco Friendly Design: The design stop when the water is full, preventing waste of water resources and avoiding environmental pollution caused by overflow of water sources, reflecting a strong environmental protection concept. Solar Powered: This valve uses solar energy as its power source, saving electricity resources and reducing operating costs while contributing to environmental protection. Suitable for Aquaculture Farms: This valve is particularly suitable for the reservoirs of aquaculture farms. It can effectively control the water level and ensure a stable breeding environment, which positively impacts breeding efficiency and quality. Stable & Reliable: The new type of float valve has a great design that ensures stable to use under various environmental conditions over a long period times, reducing maintenance frequency and saving operating costs. Size Chart:5.4cmx12.6cm/2.13inchx4.96inch Package Includes: 1 Inlet Valve 1 Elbow 1 Filter Net 1 Material Belt 1 Lid(4 Pack) Note: Please allow slightly errors 1-2cm differences due to manual measurement.