Currently I've got a basic 4" 13W that's doing about 100m3/h and it's sound is about 37dB so not loud at all. I had a look and came across the hyper fans, but at 70dB they aren't silent. It led me onto the stealth fans but I'm working with a 60cm x 60cm x 170cm sized tent.
Is there anything out there in the market that's around thr 40dB mark but more powerful than the cheap basic inline fans? I think I may need to create sound bespoke sound proofing with a more powerful unit as a last option
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