Size: this water float valve has a 3/ 4 NPT pipe thread; you can connect plastic float valves to the 3/ 4 inch supply tube; Adjustable arm design easy to the adjust different water level. Easy to operate. material: This water filter float ball valve is made from high quality plastic which not corrode or rust; Package includes: 4 packs water tank float valves, spend less time filling and checking the water tank to protect the plants from drying; sufficient quantity can satisfy your daily use Wide applications: the adjustable sink float valve can be applied for ponds, small water tanks, toilet storage tanks, household water purifiers, pools, aquariums, aquaculture, reservoirs, industrial and large water tanks, etc., if needed, you can choose to use multiple float valves at the same time, so that water can be input faster, Weight: 0.43651527876 pounds, Manufacturer: Tuidzljd