The Whirlpool W10171477A Garbage Disposal Stopper for Dishwasher helps create a secure seal while preventing food particles and water from flowing back through the garbage disposal. Designed to fit compatible disposal units, this stopper works by covering the drain opening during sink use and allowing water to drain when removed. It also helps support proper dishwasher drainage by mai... https://www.partsmelange.ca/whirlpool-w10171477a-garbage-disposal-stopper-for-dishwasher