The Power Soak Systems 26985 Twist Waste Drain (1-3/4" NPS x 3-5/16" SO) is designed to provide efficient water drainage, helping maintain proper sink operation in compatible commercial warewashing systems. This replacement twist waste drain works by allowing wastewater to flow out smoothly while providing a secure twist mechanism for easy opening and closing during draining or cleani... https://partsfe.ca/26985-twist-waste-drain-1-3-4-nps-x-3-5-16-so