I have a 3x3 and a 2x2. You can exhaust a 2x2, but you need a 4 inch system, not 6. My 6 inch fan inflates my 3x3 on the lowest setting.
This is my exhaust/filter, outside the tent. I don’t think there’s another way, I tried a few things.
This is my exhaust/filter, outside the tent. I don’t think there’s another way, I tried a few things.
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