I received this last week and got to use it today. The 10m (33ft) duct is great and longest I could find bundled with a fan. The fan is loud, but not problematic for the context one would use it in (workshop, construction). The duct seems quality and should last. The fan only had one speed. Without the duct it blows pretty strong, but the duct (resistance, length) does reduce the flow quite a bit. However, it cleared the odors well. It seems solid and well built. I am glad I did not buy 6 or 8 inch fans advertised on Amazon as they would have be insufficient for the duct length and the performance I need for clearing smoke, dust, odors, and heat. I imagine a 6 inch would do for basic welding or soldering, but anything significant would require a 10 inch or 12 even. This machine was larger than I imagined. It's heavy steel, so it's more industrial than lightweight. However, I prefer that. My only reasons for 4 stars is the plastic fins (I hope they will last, I expect they will), the lack of speed adjustments, and some reservations on giving this 5 stars when I don't know it's durability. I am hopeful I can adjust it to 5 soon.
VEVOR Customer 
