On the Internet, there is no normal review on the merits of it anywhere, so I stupidly trusted the commercial and did not lose . I took it to clean the pellet boiler, it does just fine with this function! Before that, the vacuum cleaner was ash, but it quickly clogged and had to be constantly cleaned, and this one restores its working potential with a special filter purge system, after which it again as it should! The power is excellent, everything flies into it with a whistle . I advise…