InSinkErator Evolution Pro Essential 3/4 HP Garbage Disposer Continuous feed Sound Seal makes the Evolution Essential at least 40 Percent quieter than standard disposers Multi Grind Two grind stages let you quickly grind difficult food waste you wouldn't put in a standard disposer like celery and potato peels 40-Ounce Stainless Steel Grind Chamber and Grind Components handle more volume than standard disposers, 3/4 Horsepower Dura-Drive Induction Motor gives you more horsepower than standard disposers Quiet Collar Sink Baffle (antimicrobial) ensures quiet operation