The AllPoints Foodservice Parts & Supplies 1021196 is a Permadrain® Floor Drain Strainer designed for efficient drainage in commercial settings. With a height of 3 inches and an outer diameter of 5-1/2 inches, this dome-shaped strainer is made from durable blue plastic. It includes two 3-inch gaskets and a 6-inch mounting screw with a square bit, making it suitable for 3-inch floor sinks and drains. This strainer effectively prevents debris from clogging drains while ensuring optimal water flow.