Criteria
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- CFM = "cubic feet per minute", which helps with measuring airflow.
- Static pressure = ability of fan to push air against resistance.
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DUCT TO BUY 4 inch x 8 feet Aluminum Semi-Rigid Flexible Duct (Buy two)
OR
Criteria
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...
DUCT TO BUY 4 inch x 8 feet Aluminum Semi-Rigid Flexible Duct (Buy two)
OR