It's noisy, big, uses a regular outlet, although I think a USB powered fan can deliver the same amount of air. Instead of this thing, why not just buy a $20 box fan, some filter material, and a homemade one? I mean, if you even look at it, you're definitely into do-it-yourself stuff, right? skip it No, it's not like the volume of a power tool. Or even the volume of a portable speaker. Maybe.tv set the volume in the next room to maximum and played a static volume. Loud annoying. And it needs toβ¦