Hi

cfm needed for 25 cubic foot room?

buying a 4inch inline filter to push 135cfm

is that overkill?

Hydroponics KIT 63W 4" FAN Blower Carbon Filter 4" X 10" 2XFAN Ventilation Duct

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tripsteady Reviewed by tripsteady on . CFM Needed?Help please Hi cfm needed for 25 cubic foot room? buying a 4inch inline filter to push 135cfm is that overkill? Hydroponics KIT 63W 4" FAN Blower Carbon Filter 4" X 10" 2XFAN Ventilation Duct Rating: 5