Precise Size The garbage disposal cover is 3 inch in diameter. The garbage disposer should be connected to the sink, then put the splash guard into the sink, so it can seal tightly, perfect fit Insinkerator, Kitchenaid, Kohler, Waste King, etc. Good Experience: Garbage disposal splash guard and stopper can effectively prevent water and debris from splashing upward, reduce the noise from the garbage disposal, choosing our products can bring you a relaxing and pleasant kitchen experience Easy to Use Garbage disposal splash guard and stopper is easy to installate, clean and replace old.