It is normal for most vacuum cleaners to turn smelly. Because they're used to decontaminate the dirtiest and pickup trucks grimiest sections of your house, they can develop a nasty odor. The actual exposure to germs and bacteria also does not help. Another feature of the Roomba 610 is its two interchangeable cleaning packing containers. The debris bin is great for routine repair of the floors and cleaning deep down into the carpet and rug fibers. Then, there can be a high-capacity sweeper bin...