From Watering Nipples
Part Number: 16626. Long Lasting 400 Stainless Steel body and trigger. Adjustable to three water flow rates. Screen filter keeps foreign matter out of valve. Built in playquard protects trigger action. For use in farrowing Stalls, creeps and nurseries. Rounded trigger. Easy for baby pigs to activate trigger. Outstanding for baby pigs. 5/8 Inch Bite on Water Supply Trigger.