The AllPoints Foodservice Parts & Supplies 8009648 is a high-quality Twist Flow™ Rotary Waste designed for efficient drainage in commercial kitchens. It features a durable Teflon® seal that ensures a reliable, leak-proof operation. This unit fits sink openings ranging from 3-1/2" to 4" and includes a 4-3/8" flange for secure installation. The external connection is 2" NPS, while the internal connection measures 1-1/2" NPT, providing versatility for various plumbing setups. Constructed from 316 stainless steel, this drain is resistant to corrosion and built to withstand the demands of a busy foodservice environment.