These belts will work on your professional vacuum cleaner, but - I found that my group of belts had a width that was 1/16th smaller than the specific manufacturer's width. I'm not saying it's the end of the world, but the original straps aren't that wide. When I fix! I don't want to do it twice, is that enough? I don't know, but if they're 20% narrower, there's a question mark.
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