This Heavy-Duty Kitchen Sink Drain Assembly is Made of Highly Durable Stainless Steel Matches Most Sinks. The 3.5 in. Drain Opening Fits all US Standard Garbage Disposal Unit (not Included). The Drain and Strainer Combo Set Includes a Lid with Rubber Seal and a Removable Waste Basket. The Waste Basket Captures any Unwanted Debris from Entering the Sink Drain, Preventing the Sink Drain from Any Clogs. Just Add to Cart Make Your Time with the Sink More Efficient and Effortless. | Empava | | 3-1/2 in. | 4 in. Heavy-Duty Kitchen Sink Drain Assembly with Basket Strainer and Cover | Stainless Steel | Best Buy