Function: 1. The automatic filling valve is ideal for both permanent and temporary installations 2. Non-toxic, tasteless and can be used for drinking water 3. 3/8 4. It is the smallest adjustable float valve in the world 5. Can be easily used in aquariums and mini water supplies that have limited space for float valves Specification: Characteristics: 1. The automatic filling valve is ideal for both permanent and temporary installations. 2. Non-toxic, tasteless and can be used for drinking water. 3.3/8" BSP valve with 1/4" connection. Adjustable float. 4. It is the smallest adjustable float valve in the world. 5. It can be easily used in aquariums and mini water supplies that have limited space for float valves. 6. The flexible arm can adjust the water level without changing the fixing position. 7. Pulling out the pin, reversing the position of the arm and pressing it in again can change the side mount to top mount and vice versa. Technical data: Size: See the picture in detail Valve material: POM Ball material: POM Pressure: 0.6MPa Temperature of water. : 176F (80C) Flow rate: 5.0 l/m 1/4 inch input The package includes: 1 piece. 3/8" Mini Float Valve How to use: Function adjustment method: turn the screw to adjust the float level.