Fit 1/2 inch supply tube: The automatic floating ball valve is an upgrade product, based on the design of new technology and overcoming many defects of the traditional straight sealing valve Good sealing effect and resistance to higher pressure: With a smaller water level float, the float filling valve can withstand higher liquid pressure (=1 MPA.) Easy installation and flexible adjustment: This float check valve can be installed at any angle with the adjustable arm; Tank Bracket with Extended Thread on Valve Inlet Side Reliable and Durable: The mini tank float valve is made of special engineering plastics, corrosion-resistant, more reliable than traditional metal products Wide Applications: The float shut-off valve is widely applied in reverse osmosis systems, ponds, aquariums, etc. Also for watering chickens and other small animals and pets