3 1/2" Copper Disposal Flange and StopperIdeal for a farmhouse kitchen sink made of the same material, this copper disposal flange and stopper adds a statement finishing touch. The flange fits disposers under the InSinkErator line and several other related packages. 3 1 2" Drain Size Made of Copper Includes Flange and Stopper Compatible with InSinkErator Disposers and Certain Models from These Brands: Badger, Emerson, Kenmore, KitchenAid and Maytag up to 1 2 HP Works with Kitchen Sinks 1 2"