Garbage disposal replacement parts compatible with InSink-Erator. Flex coupler replaces their previous part number 74085. The Replacement flexible connector is installed so that the exhaust pipe does not vibrate, which helps prevent breakage. Helps remove waste from kitchen sinks; keeps garbage disposal systems working properly. There is a black layer on the surface of the metal parts (not damaged, formed by the production process), one is to protect the metal, and the other is to obtain a better sealing effect. Simple installation: easy to install, install the replacement parts, and immediately solve the problem of water leakage in your sink. Save your precious time~ What You Get: Mellbree garbage disposal parts, If there is any dissatisfaction with the product, or the parts are missing, please contact us at any time.