Features: Controls flow rate and opening and closing of the inlet pipe through the floating of the ball. With automatic control, low self-replenishment and automatic water stop function. The for valve replaces the traditional float for valve, no electricity, easy to use, long life, low failure rate, and save-water -resources. Widely used in: water tanks, water towers, swimming pools, solar energy, toilets, hot water boilers, animal drinking water, etc. Made of high quality plastic, durable, sturdy & long for time service. Specifications: Material: Plastic Size: approx 7.8x7cm/3.1x2.8in Water inlet: side Thread: 1/2 inches Applicable temperature: 0-70 ℃ Package Includes: 1x Automatic Float for Valve note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.