Description: 【Automatic Water Level Control】: This Float Ball Valve features an automatic float design that adjusts based on water level changes, effectively keeping from overflow or water shortage in tanks 【4-Point Connection 1/2"】: This Auto Fill Float Ball Valve with standard 4 point threaded interface ensures easy installation in humidifiers, tanks, or other water storage applications, enhancing water supply efficiency 【Premium Construction】: Made from metal and plastic, this Automatic Water Level Control Float is designed to withstand aging and high temperatures, ensuring long term performance in various water environments 【Adjustable Lock Mechanism】: The Float Valve built in adjustment lock for water level control, preventing overflow or underfilling 【Space Saving Design 】: This Float Ball Valve with compact size fits tight spaces while maintaining efficient operat in small to medium sized containers Specification: Material: Metal and plastic   Size Chart: 18.2cmx3.88cm/7.17inchx1.53inch Package Includes: 1 Float Ball Valve Note: Please allow slightly errors due to manual measurement and different monitors.