【FIT TUBE 1/2 INCH】 The auto float valve is an upgrade product based on the new technology design and overcoming many defects of the traditional straight seal valve, and fits well with 1/2 inch tube > 【PREMIUM MATERIAL】The float valve is made from special engineering plastics, which is corrosion resistant and more reliable than traditional metal products. 【GOOD SEALING AND SUPERIOR PRESSURE RESISTANCE】With this automatic shut-off valve float, the float filling valve can withstand higher liquid pressure (= 1 MPA.) 【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 tank wall 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 the drinking trough for dogs, cats, sheep, cattle, cows, pigs, etc.