Compared to no fan/filter, they're A LOT better, I'd say. And a relatively small price to pay for such an improvement.
But yeah, they're not nearly as good as a real fume extractor.
Compared to no fan/filter, they're A LOT better, I'd say. And a relatively small price to pay for such an improvement.
But yeah, they're not nearly as good as a real fume extractor.