High-quality material: 304 stainless steel, durable, easy to clean, no rust. The edges are smooth and polished to avoid external infections caused by animal scratches. Float setting: Use the principle of floating the water level of the float to control the water inlet and outlet switches to achieve a constant water level effect, how much to drink and how much to keep, and to maintain sufficient water volume. The floating ball selection button can adjust the height of the floating ball, control the water level and the amount of water. Upgraded design: two screw fixing ports at the rear for easy fixing. Connect a standard garden hose (G1/2'' Thread Diameter Pipe) and tighten. Open the faucet and fill the drinking fountain with water, easy to use.