AutoFill Pool Water Leveler is a smart pool water level maintenance equipment, through the automatic floating valve system to regulate the water flow, no manual water replenishment, energy saving and water saving. It is easy to install, adaptable, suitable for a variety of indoor and outdoor pool environment. Made of new PVC material, it has waterproof, anti-ultraviolet and anti-oxidation properties, durable and long-term retention performance. Suitable for family pools, commercial pools and water parks, it provides automatic water level control without maintenance.