Automatically Maintains The Water Level in The Tank: Designed to maintain the water level in the tank automatically. It can automatically turn on and off the water supply as the water level in the tank changes. Large Flow: The newly upgraded valve device effectively increases the water yield and increases the water yield by 20% compared with the traditional float ball valve. Prevents Water Wastage: The valve helps to prevent water wastage by automatically turning off the water supply when the tank is full and turning it on when the water level drops. Easy to Install: The valve is easy to install and requires minimal maintenance. It is also designed to be user-friendly, allowing for easy adjustment of the water level. Wide Application: Use this valve to replace the traditional float ballcock and stay water-efficient for pools, water towers, tubs, sinks, solar water tanks, animal husbandry drinking water, aquaculture, and other automatic water supply! Colour:As Shown Material:Plastic Size:1/2Inch Package Contents: 1 * top water inlet 1 * side water inlet Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.