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465 CFM Squirrel Cage Exhaust Fan

by Hydrofarm

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Product Details

Shipping Weight: 12 pounds
ASIN: B0002N5AT6
Amazon Best Sellers Rank: #1,696,488 in Home & Kitchen (See Top 100 in Home & Kitchen)

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Product Description

465 CFM Squirrel Cage Exhaust Fan. Exhaust fans are the most efficient way to combat both loss of CO2 and high temperatures, two things that can hinder your plants. They are set up to either blow air to another room or down a long tube to the outdoors. How do you know what size you need? Calculate the CFM (Cubic Feet per Minute) by dividing the cubic footage in your grow room by five. The blower you will choose based on this will be large enough to replace all of the air in the room in five minutes.