1 The replaceable waste disposal splash guard is compatible for InSinkErator Evolution series waste disposal machine design. 3 3/8" diameter and compatible for QCB-AM parts. Please note that it is not compatible for Badger series. Please confirm dimensions before purchasing. 2 The drain cover uses EPDM rubber, which is better than ordinary rubber-treated splash guards. The EPDM rubber material with excellent oil resistance is resistant to aging, cold and high temperature. The operating temperature range is approximate -50C to +150C. The best choice for replacing dirty old sink flaps. 3 The new 2022 sink flap is easy to open under the weight of the water. It is used to prevent food and water from splashing upwards, providing a safe and comfortable environment. The noise reduction effect is also very good, which can reduce the operating noise of the garbage disposal by up to 70%. The removable collar sink flapper is very easy to install and clean without tools. It can bring you a more pleasant and relaxing kitchen experience. 4 High-quality garbage disposal splash boards can reduce noise and provide you with a quiet and comfortable environment. 5 Package contents: 1* garbage disposer splash guard.