VIVOSUN 4 Inch Inline Duct Fan 100 CFM, HVAC Exhaust Ventilation Fan with Low Noise for Basements, Bathrooms, Kitchens and Attics, Silver

from kerry49

Worked perfect as advertised. Placed in a crawl space and not attached to the framework. Noise level is barely noticeable.

from Plumbsavvy

The end let and out let right size for a 4" dryer hose. The noise level is lower than the last three fans I have bought for circulation. I installed this one inline for the 36" shower exhaust in the toy hauler build. Very pleased with the product will be ordering more for the micro shop welder an...

from ShrekErson

Always hated shaving after a hot shower because of all the steam and mirror fog. Now I do not have to wipe the mirror at all!! Much Louder than your standard bathroom fan but totally worth it!50-80 cubic feet per minute for $50 at HD or 400+ cubic feet per minute for -$30? .....uh Duh!

from Odette

Had these installed these under our outdoor fireplace. They're behind grates so can't be seen in the photo, but they do a great job at blowing the heat out toward our seating area.A little loud, but carrying a conversation isn't a problem. Would recommend.

from Goksel gokkocabas

I use this in the middle for my 10 feet dryer vents, it works good. I just wish they have added a switch at the end of the cable so you can turn it off when needed instead of unplugging it. I had to get another switch just to do that, extra money...