EASY INSTALLATION: The Hudson Water Valve is very easy to install. It can be installed directly onto your existing plumbing or you can use a Hudson Mounting Bracket and a standard garden hose. | APPLICATIONS: With limitless applications, this valve is perfect for aquariums, car washes, evaporative coolers, fountains, irrigation systems, pond auto fill, swimming pools, livestock tanks, and more! | SPECIFICATIONS: 1/2" FNPT connection and is made from durable ABS plastic. It supports flow rates from 300 to 2,400 GPH and measures 2.5" in diameter by 5.5" in height. | FEATURES: This Hudson float valve features no lever arm, no exterior moving parts, no float ball, and installs in seconds. It's indestructible, freeze-resistant, anti-siphon, rustproof, and high volume! | DESIGN: The compact Hudson Valve uses a design that closes with water pressure, eliminating bulky levers and balls. It fits in tight spaces and can be discreetly tucked away.