For a "first prize", it is quite effective but there's still do. By testing on a small heap of litter grain (mostly bought for ca) it must board 3/4 times in the same place so that there is nothing left, not expect a very powerful vacuum cleaner, it is most effective on the length, ironing more than once or it is already past. It can clog quickly because the hole through which he aspires is quite late, so, to monitor whether a hair kitty does not block it. Because it makes the post completely ineffective. In general, I let it do its cycle and emptying the dust receptacle to, you can see it work well anyway! Very clean facil has other, that's cool. In short, to improve: the suction power. Otherwise nice.