General description Made of high-quality food-grade plastic and 304 stainless steel screws, this 1/2 automatic water level adjustment valve is designed for various applications including swimming pools, aquariums, and water storage tanks. It is environmentally friendly, durable, and resistant to rust, ensuring a long-lasting performance. Technical specifications Material: Food-grade plastic and 304 stainless steel Estimated flow rate: Up to 40 PSI - 3 gallons per minute; 60 PSI - 5 gallons per minute Installation Easy to install due to its small size Usage Suitable for water tanks, water towers, swimming pools, solar energy systems, toilets, hot water boilers, animal drinking water, air cooling systems, humidifiers, civil buildings, cooling towers, and steamers