Hi Yossi, thanks for reaching out! We have replacement sink gaskets to be used in conjunction with specific InSinkErator disposer models. The mounting gasket kit is for use with Badger Series and Evergrind Series (except E606) disposers as well as 444, 555ss, 777ss, 60s, 80s, 100ss, Pro 333, Pro SS, and Pro 77. This is not for use with Evolution Series® disposers. To help you find the correct gasket for your disposer, please contact us via
https://support.insinkerator.com/ap... with your model and serial number.