UPDATE 11/24/2021 The next day the fan got a lot louder so I asked Revain for a refund for an exact replacement. Simple-simple, no box, no label return process. I'm happy to report that the new fan I received in a hurry is as quiet as a church mouse. Thank you Revin! ________________________________________________ I use this type of fan to gently circulate room air around the back of the unit 24/7. Typically, the fan runs for about 18 months before gradually losing speed and making noise. This silent USB fan is a great alternative to larger, noisier 110V fans that also push way more air than necessary. This particular brand (and model) is identical to any other I've purchased, but is noticeably louder. Other than that, it works fine otherwise. Time will tell how long this lasts.
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