High capacity nipple especially designed for use by breeding stock. Made from solid 303-Stainless steel. Factory calibrated to discharge 2.5 quarts per minute at 40 psi. Operating range of 0 to 50 psi. 5 year Manufacturer Warranty.
How it Works: To drink, the pig simply moves the stem by biting on it, releasing water. When the pig releases the end of the stem, the elasticity of the silicone rubber diaphragm located behind the stem head pushes the head back to the closed position, stopping the flow of water.