This water float Valves is made from engineering which will not corrode or rust Size: this water float Valves has 3 / 4 NPT pipe thread You can connect float valves to the 3 / 4inch supply tube Easy Installation: Loose the screw on the arm to adjust the float position and achieve the horizontal and vertical installation Each of install methods will not affect the Adjustable arm design make it easy to the adjust different water Easy to operate Wide applications: It can be apply for pond, small water tanks, toilet storage tanks, household water purifiers, pools, aquariums, aquaculture, reservoirs, industrial and large water tanks, Manufacturer: LiRRvb