Do I need to run exhaust fan constant?

I have a T8 in a 4x4 running in speed 1 24/7 Iā€™m guessing by this chart I should be using speed 2 as I have a carbon filter and one 90ā€™ degree bend
Thanks for this chart

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Your T8 probably does better on speed ONE than my T6 on speed Three.


Chart is available

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I think environment dictates fan. I run a controller set to 81 and call it good mostly. I have a good amount of air moving inside tent. 2 550r turn it on within minutes. Running 1 she is on and off.

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