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Quiet inline fan? Vortex?


Auto Warrior
Sep 17, 2018
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I'm currently running a Vivosun 6" 440cfm inline fan that I got on Amazon. Growing in an 8'x4' tent. I'd like to get something much quieter.

I have spoken to several people who swear by the AC infinity Cloudline. Thing is I already have a 4" one that i was using in my old 32"x32" tent and was not impressed. Seems to me like it's only quiet on the lowest speeds and that it is noticeably less effective for odor control at the low speeds.

I have done a little googling and read some good things about Vortex fans. But, like I said, I had read/heard good things about the infinity and have been underwhelmed.
I'm open to any other suggestions as well.