[Water Tank Automatic Valve]This float valve is designed to control the rate and water level of the water tank; When the water level rises to a certain level,the water will be cut off.When the water level drops to a certain level,the water is automatically injected [Quality Material]The main body of our float valve is made of brass,which is stable and durable.Plastic floating ball,not easy to break,can be applied for a long time [Easy to Use]Size Options:1/2 inch DN15,3/4inch DN20,1inch DN25.Float valves with adjustbale arm,easy to connect to the supply tube,easy to install and adjust water level.Please choose water float valves according to your needs [Well Sealed]The water tank float switch features with a rubber seal for better sealing and makes sure no leaking.Nice flexibility,not easy to tear or wear,high temperature resistant [Wide Application] Widely used for water tanks,water towers,water boiler machine,rice steaming machine,water pumps,toilet cisterns,livestock water trough or pool,etc, Weight: 0.5180863157 pounds, Manufacturer: QLECXZI