Accessory content is easy to remove and replace as part of routine maintenance. Clean accessories keep your home robot performing at . Cleaning accessories keep your robot clean while reducing the infiltration of dust, pollen and other into the air you breathe. new, high quality material, well made, and well matched to equipment. Say goodbye to odors, pre-filters can help reduce unpleasant odors from pets, smoke, cooking fumes and a variety of household products and chemicals.