Do it 3-1/2 Inch ABS & Stainless Steel Basket Strainer Assembly is designed for sinks with a 3-1/2 inch outlet, providing a reliable and durable solution for your sink drainage needs. This basket strainer assembly combines ABS and stainless steel materials to ensure long-lasting performance and resistance to corrosion. I for maintaining a clean and efficient sink setup, it fits standard 3-1/2 inch outlets seamlessly, making installation straightforward and hassle-. Model 403502