Durable Material: This mini float valve is made of high-quality PVC for corrosion resistance. Excellent Design: Rubber gasket ensures a leak-proof installation; Adjustable arm with over 180 degrees of adjustment range; PVC screw for adjustable arm prevents rust and oxidation. Versatile: Works great for water troughs, humidifiers, fountains, aquariums, ponds, chickens, dogs, horses, livestock, etc. Easy to Use and Compact Size: 1/2\" NPT male threaded inlet, simply hook it to the end of a hose. Simple and convenient solution. Product Description: Material: PVC plastic. Product Dimensions: 9.5\" x 2\" x 2\" per float valve. Product Weight: 0.2 lbs per float valve. Features: This float valve is designed to easily thread into a 1/2\" (NPT) female threaded fitting. Same basic principle as your toilet flush: fills when the level is lower and stops when it's even. It's perfect for water troughs, humidifiers, fountains, aquariums, ponds, livestock water tanks, etc., saving you a lot of time and effort. Package Includes: 1 x Water Float Valve.