1/2" NPT Float Valve for Pet Watering System, Automatic Level Control Float Valve For Automatically Filling Dog Waterers, Auto Fill Shutoff 1/2" NPTDurable material: This mini float valve is made from high quality PVC for corrosion resistanceExcellent 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 oxidationVersatile: works great for water trough, humidifier, fountain, aquarium, pond, chicken, dog, horse, cattle, etcEasy to Use & Compact Size: 1/2" NPT male threaded inlet, just hook onto the end of a pipe. Nice and lazy solutionMaterial: 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.