Fitting 1/2 inch supply tube: the automatic floating ball valve is an upgrade product, based on the design of new technology and solving many defects of the sealing valve traditional straight Good sealing and increased pressure resistance: With smaller water level float ball, the float fill valve can bear higher liquid pressure (=1MPa.) 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 the inlet side of the valve for mounting through the tank wall Reliable and durable: the mini tank float valve is made of special plastic, which is corrosion resistant, more reliable than traditional metal products Wide applications: The floating shut-off valve is widely used in reverse osmosis systems, ponds, fish tanks, etc. Also for watering chickens and other small livestock and pets