Constructed from high-quality, corrosion-resistant stainless steel, this nipple drinker features a bite-valve design. When a pig bites or moves the internal stem (trigger), the valve opens to release a controlled stream of water. As soon as the animal releases the stem, the internal spring mechanism creates a watertight seal, instantly stopping the flow. This specific model includes an integrated mesh filter and an adjustable flow regulator to ensure the water remains debris-free and at the appropriate pressure for the animal.