It has a filter with a spinning blade slightly in front of it - a macerator - that chops up pieces of food until they are small enough to fit through the holes.

It has a filter with a spinning blade slightly in front of it - a macerator - that chops up pieces of food until they are small enough to fit through the holes. https://photos.smugmug.com/Appliantology/Kitchenaid-Dishwasher/117417445091866a15co/1192075944_vb7ys-S.jpg https://photos.smugmug.com/Appliantology/Kitchenaid-Dishwash...