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 material: This water filter float ball valve is made from high quality plastic which will not corrode or rust; 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. 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 Material: plastic colour: white Package Contents: 4 x Water Float Valve Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.