Jones Stephens has built its reputation over the years in the plumbing industry, providing the market with thousands of products to complete any project. The Replacement Bottom Dome Strainer is constructed of aluminum. It is designed to fit porcelain coated cast iron, PVC and ABS floor sinks/drains with a 2 inch connection. If your strainer is damaged or the finish is worn, replace just the strainer to save time and money instead of replacing the entire drain assembly.