DURABLE MATERIAL: This float valve is made from high quality PVC (polyvinyl chloride) for corrosion resistance; GREAT DESIGN: Rubber washer ensures a tight, leak free kit; adjustable arm with over 180 degrees of adjustment range; PVC Screw for adjustable arm prevents rust. VERSATILE: Works great for water trough, humidifier, fountain, aquarium, pond, chicken/dog/horse/cattle waterer, etc. EASY TO USE: 1/2" thread, very easy to install and adjust water level. Nice and lazy solution! Works great for water trough, humidifier, fountain, aquarium, pond, chicken/dog/horse/cattle waterer, etc. - Material: PVC plastic (polyvinyl chloride) - Product Size: 9.5" x 2" x 2" per float valve - Product Weight: 0.2 lbs per float valve Package Contents: - 1 x Float Valves