Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Automatic Water Level Control Float Valve: optimal water levels effortlessly with our water float valve; The float valve does not need electricity; When the water level drops, the floating ball falls, and the water pressure in the water pipe is applied to open the plunger with the sealing silicone in the valve body, the valve body starts the water supply, when the water level rises, the floating ball floats, and the connecting rod drives the plunger, prevent water wastage Universal Dimensions: 1/2 inch water tank float valve with side water intake turning head, 3/4 inch screw hole sleeved on an elbow for use with 3/4 inch water pipes, become 3/4 inch side water intake; It can also become 3/4 inch upper water intake, easily catering to a multitude of applications; The interface should be wrapped with a rubber ring to prevent loosening and leakage; A filter need be applied at the water inlet to prevent sand and stones from clogging the float Wide Range of Applications: which are designed to maintain the water level in your water tanks, pools, water towers, water storage, livestock tanks and other containers; The automatic water level control valve need a water pressure 0.2 KG and a water pressure drop of more than 2 meters for the effect of automatic water stopping; The applicable water pressure range is 0.02-1.2MPA Material: Stainless steel colour: As shown Raw tape Colors are random, no specification accepted Package Contents: 3 packs x automatic water level control floating valves 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.