The small adjustable float ball valve is an excellent choice for maintaining levels in various systems. Its automatic level control feature makes it ideal for use in aquariums, ponds, and towers. By keeping the level consistent, this valve helps to create a stable environment and ensures that your system operates efficiently. Features - Color: Multi -Material:Plastic - Size: 20.00X4.00X4.00cm/7.86X1.57X1.57in -Compact and efficient: the plastic float valve is designed for small tanks, offering a compact and efficient solution for level control -Automatic level management: features an automatic level controller that manages levels without manual intervention, ensuring a consistent supply -Easy to use: the adjustable float valve allows for providing flexibility to meet different requirements -Reliable flow control: ensure reliable and stable flow control, preventing overflow and maintaining the desired level in your tank -Userfriendly design: easy to install and maintain, this float valve is designed for user convenience, making it suitable for various applications Package list: 4 x float valves