" Durable material: This mini float valve is made from high quality PVC for corrosion resistance Excellent Design: Rubber washer ensures leak-proof and leak-proof kit; the adjustable arm with an adjustment range of over 180 degrees; the PVC screw for the adjustable arm prevents rust and oxidation Versatile: works great for water trough, humidifier, fountain, aquarium, pond, chicken, dog, horse, cattle, etc Easy to Use & Compact Size: 1/2" NPT male threaded inlet, just hook onto the end of a pipe. Nice and lazy solution Material: PVC plastic. Product dimensions: 9.5" x 2" x 2" per float valve. Product weight: 0.1 kg per float valve. Features: This float valve is designed to be easily threaded into a 1/2" (NPT) threaded female fitting. The same basic principle as your toilet flush: fills when level is lower and stops when level. It is perfect for water trough, humidifier, fountain, aquarium, pond, livestock water tanks, etc., saving you a lot of time and effort. Content: 1 water float valve. "