Yes, when you use it, for example, to clean your mattress, which, it would seem, is clean and always under bedding, you will be surprised how much dust there is. It does pick up dust on your furniture and helps keep parasites out thanks to the ionization, BUT against animal hair it's bad. Wool is practically not absorbed, it lies calmly on a sofa / chair / armchair and does not go anywhere. Therefore, if you take it for this purpose, then it is better to take a powerful handheld vacuum cleaner…