The under counter dishwasher is made out of high-quality stainless steel that will ensure that the appliance has a long life span. They are specially made for people who don't have enough floor space inside their kitchen for a full size-built-in dishwasher. A lot of under counter dishwashers feature a very powerful filtration system. All of the food leftovers that accumulate inside the tub will dissolve and get flushed away.