The AllPoints Foodservice Parts & Supplies 111350 Free Flow Drain is designed for efficient drainage in commercial sinks. It features a 3-1/2" sink opening and a 2" NPS connection for easy installation. The drain has a durable cast brass construction with a sleek stainless steel top, measuring 4-1/2" in diameter and 2-3/8" in height. This combination of materials ensures longevity and resistance to corrosion, making it ideal for high-use environments. Enhance your kitchen's functionality with this reliable and stylish drain solution.