Flex Coupler compatibles with Insink-erator garbage disposal. Can replace their previous part number 74085.<br> 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.<br> Flexible and soft rubber provides good sealing. The included 304 stainless steel bolts is not easy to corrode. durable for a long time.<br> Easy installation, come with a hex head bolt to adjust the distance as needed, making it easy to use without having to bother a plumber. The tailpipe mount coupling makes it easy to take out and to put in.<br> This part 75499 is great replacement for Compatible with 74085 Model.