Mounts between the disposer and sink bowl to limit direct access to disposer grind chamber. Required in some areas or facilities to satisfy safety regulations. Also useful when limited space requires disposer to be mounted off-center from sink opening.Fits all InSinkErator® bowls and #6 and #7 collar adaptorsFits competitive sink bowls with InSinkErator® adaptorAll mounting hardware includedWater nozzle includedTo order, specify part #14029