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Cfm

FrostyNugz420

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How do you calculate the CFMs will be needed to properly vent a room?
 

Hick

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LxWxH=CF's
and I believe the enire CF should be replaced 2-3 times p/min.
e.g. 200 CF would require minimum of a 400 CFM fan. Other factors, elbows, screens, ect. will affect the efficiency.
 

FrostyNugz420

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i was talking to an experienced friend of mine and he said that using twoce as much CFM that you need will greatly increase your yield is this true or should i just stick with the power i need?
 

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