Title: Not very useful.
Product review: It is noisy. noise aside, there are many drawbacks. Even after running this unit on the same place for a long time, i am still able to pick hair, dirt from the carpet just by hand. As another reviewer said, it is not useful for hardwood also, air coming out of the side of the unit blows more dirt. hand tools are connected by a short hose, which makes it very difficult to operate.
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