The Plumber's Choice 3-1/2 in. Strainer Basket Universal Replacement for Kitchen Sink Drains Stainless Steel with Rubber Stopper 17621 - The Home Depot
Amazon.com: KONE 3-1/2 Inch Kitchen Sink Drain Strainer Assembly Made by All Stainless Steel with Strainer Basket/Drain Stopper, Replacement for Standard Commercial Drains : Tools & Home Improvement
GZILA Kitchen Sink Drain Basket Only, 3-inch Basket for Kitchen Sink Strainer Replacement, Deep Cup with Handle, SUS 304 Stainless Steel - Amazon.com