Description: Fully automatic control, self-replenishment with less water, and self-stop with full water. Low requirements for water quality, impurity filter at the water inlet, and large water output. Beautiful appearance, small size, strong practicability, and easy installation. No need for electricity, easy to use, long life, low failure rate, water saving. More precise water level control， suitable for automatic water outlet equipment such as water storage tanks, water towers, pools, steam stove kitchens, farms, etc. Specification: Material: 304 stainless steel Interface:G1/2in Size: 76x49mm / 2.99x1.93inch Note: When using it, you need to clean the inside of the water pipe and you need to add a matching filter to the water inlet. Installation maximum tilt: 30 degrees; Working pressure range: ≤1.0MPa; tap water pressure of residents 0.3-0.5Mpa; The use of siphon water supply needs to ensure that the water level drop is greater than 80cm, otherwise it will affect the water output. High temperature resistant medium temperature: 0 -100 ℃; If two valves are installed in the same pool, they should be kept on the same level Package Includes: 1 Piece Water Level Control Valve(2 Pack) Note: The color may be different for different display, pls understand Pls allow 1-3mm error due to hand tste, thank you