Easy to install: small size, rated flow rate up to 40 psi 3 gallons per minute, 60 psi 5 gallons per minute. Perfect replacement: the valve replaces the traditional float valve, without electricity, easy to use, long service life, low failure rate and save water resources. Automatic control: the water level control valve has a patented design, fully automatic control, and the valve does not need to be powered by electricity. Wide applications: Can be used for water tanks. #39; water, water towers, swimming pools, solar energy, toilets, hot water boilers, animal drinking water, air cooling, humidifiers, civil buildings, cooling towers, hot water boilers, steam boilers. Environmentally friendly and durable: made of food-grade plastic for hoses; drinking water and 304 stainless steel Size: JYN15 Delivery quantity: 1 pc