Garbage disposal replacement parts compatible with InSink-Erator. Flex coupler replaces part number 74085. The replacement flexible connector is designed to reduce vibration in the exhaust pipe, helping to prevent damage. Helps remove waste from kitchen sinks and keeps garbage disposal systems functioning properly. A black coating on the surface of the metal parts is normal and formed during the manufacturing process; it protects the metal and enhances sealing performance. Simple installation: easy to install and helps resolve sink water leakage issues quickly, saving time. Please check the 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 our product.