Garbage disposal replacement parts compatible with InSink-Erator. Flex coupler replaces part number 74085. The replacement flexible connector is installed to prevent exhaust pipe vibration, helping to avoid breakage. Assists in removing waste from kitchen sinks and maintains proper functioning of garbage disposal systems. A black layer on the surface of the metal parts is present due to the manufacturing process; this protects the metal and enhances sealing performance. Simple installation: easy to install and helps quickly resolve sink water leakage issues. Save time with straightforward setup. Please check product dimensions carefully to ensure compatibility. Detailed product information, including features and specifications, is provided in the title and description. We aim for complete customer satisfaction; if you have any questions, feel free to reach out for support. Thank you for choosing this product.