The T&S Brass 010385-45 is a high-quality flat strainer designed for efficient drainage. With a 3-inch diameter, this round, snap-in strainer is made from durable stainless steel, ensuring longevity and resistance to corrosion. It is removable for easy cleaning and maintenance, making it an ideal replacement part for the B-3940 model. Enhance your drainage system with this reliable and functional component.