Splash Guard Outer Size: 3 1/8 inch in diameter. This garbage disposal splash guards Perfect fit Garbage Disposals for Kohler, Moen, Insinkerator, Waste King, Sinkmaster, Whirlaway, Kitchenaid, etc. Better Diversion; Isolation: Unlike other garbage disposer splash guards, this upgraded product has the drain side in a completely closed state when there is no garbage gravity acting on it, this design can better prevent food and water from splashing upward while preventing odor, but when water or garbage gravity is generated, the splash guard can easily open and let garbage enter the disposal smoothly. Noise Cancelling Quite : This garbage disposal stopper helps reduce disposer noise, Our garbage disposal stopper has a good noise reduction effect, which can reduce up to 70% noise garbage processor operation. Upgraded Durable Rubber kitchen sink plug: Adopt 100% EPDM rubber. Compared with other commonly used general purpose rubbers, the most important feature of EPDM is its superior oil resistance, ozone and erosion. This rubber is soft and flexible, waste is easily shoved down into the disposal. It is suitable for a wide temperature range, from -40C to +130C. Do not worry about thermal expansion and contraction caused by deformation. Easy to install & Clean: Removable and clean, easy to replace old, damaged or misplaced splash guards, easy access to the processing hopper, no installation tools, no dis-assembly.It is removable and dishwasher safe for easy cleaning. (Reminder: pls confirm the disposer is connected to the sink when you want to replace the splash guard, so it can seal tightly.)