1、Automatic valve: Inner installation water inlet float valve, no need for electricity, automatic stop when the water is full, and the water output is increased by 20% compared with the traditional one. 2、Safe Material: Food contact grade environmentally friendly nylon will not release harmful substances. 304 stainless steel fastening nut will not cause secondary pollution to drinking water due to rust. 3、Exquisite Workmanship: Water inlet automatic float valve comes with delicate and smooth appearance, high temperature resistance, high pressure resistance, wear resistance, rust resistance, sturdy. 4、Uses: Applicable to automatic water replenishment devices such as water tanks, water towers, and solar water heaters. It can also be used in swimming pools, livestock and poultry tanks, aquaculture and aquariums. 5、Excellent Performance: The superior automatic water level control valve switch is small in size and takes up little to no space, delivering more convenience for installation, time and effort saving.