InSinkErator 3.88-in Black Rubber Garbage Disposal Gasket PPG1069-5 and you're good to go

and you're good to go

wood pole and ball top

and newer no-wax vinyl floors

Plastic with metal stem

InSinkErator 3.88-in Black Rubber Garbage Disposal Gasket PPG1069-5 and you're good to goReplacement sink gaskets for use with all InSinkErator models. The InSinkErator exclusive Quick Lock Sink Mount enables quick and easy gasket replacement. To properly replace worn gasket, reference the installation instructions. The InSinkErator Mounting Gasket Kit includes two replacement sink gaskets to be used in conjunction with specific InSinkErator disposer models Refer to the included installation instructions for quick and easy gasket