Product Description This Sinkology 3.5" Kitchen Disposal Flange is designed and manufactured for easy installation and durability. The solid brass construction and removable stopper makes this ISE compatible drain the perfect fit for any copper kitchen sink. The new and improved design improves performance while looking beautiful with Sinkology Antique Copper Sinks. Features removable and sealable disposal stopper for easy cleanup. From the Manufacturer Standard 3.5" Kitchen Basket Strainer drain in a durable antique copper finish. This drain is made of solid brass and finished to match ECOSINKS kitchen sinks.