From my experience with Comgrow they have great customer service but this part is rubbish! They carry the essence, so it's not really their fault. I would spend your money on a better fan. My hot fan on my stick end failed after about 3 weeks. You could see the fan speed changing while typing (set to 100%) and then making a horrible noise at startup for about 30 seconds until I started typing my fingers. I replaced it with this one and 3 weeks later same thing. So I'm now in the market for another replacement.
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