【FIT 1/2 INCH TUBE】The automatic float valve is an upgrade product based on the design of new technology and overcoming many defects of the traditional straight sealing valve, and fits well to 1/2 inch tubing 【PREMIUM MATERIAL】The float valve is made of special engineering plastics, which is corrosion resistant and more reliable than traditional metal products. 【EASY TO USE AND FLEXIBLE TO ADJUST】 It is convenient to install the auto fill supply valve float at any angle with an adjustable arm, and it is easy to mount through the wall of the tank. tank with extended threads on the inlet side of the valve 【WIDE APPLICATIONS】 The floating ball is widely used in reverse osmosis systems, ponds, fish tanks, etc. Especially applied to water trough for dogs, cats, sheep, cattle, cows, pigs, etc. Size: 4 points (1/2) Color as shown Quantity Shipped: 2 pieces