Description: [Water Tank Automatic Valves]This float valves is designed to control the flow 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 valves is made of brass,which is stable and durable.Pp floating ball,not easy to break,can be applied for a long time. [Easy to Use]Size 1/2inch.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. Specifications: Material:Plastic Size: Total Length:29cm/11.42inch Note: Please allow slightly errors due to manual measurement and different monitors. Package included: 1 Piece Floating Ball Valves