Control float valve with filter screen - Equipped with a filter screen to remove macroscopically visible impurities, helping keep water healthy and safe while providing automatic water level control. Water level controller - Small, compact form factor designed for precise water level control in small tanks; functions as a water leveler float valve for accurate monitoring. Auto water level control - Versatile automatic level management suitable for many setups, including animal drinking systems, air cooling, water towers, and water tanks. Leakproof float valve - Leakproof construction suited for water tanks, water towers, swimming pools, solar energy systems, toilets, hot water boilers, and related applications. Use scenarios - In livestock or pet drinking systems to maintain a consistent water level without manual intervention. - In solar water heating or hot water boiler setups to prevent overflow and maintain safe operation. - In water towers or cooling towers to automatically regulate water levels and reduce spills. This product emphasizes automatic control, compact size for small tanks, a filter screen for impurity protection, and leakproof reliability across multiple common applications.