Active Air ACF60 60 CFM Active Air Blower System
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<b>[Product Information]</b><br>
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<li>4" intake flange; Great for small cold frames up to 20' x 96'</li>
<li>Exchanges air in a 100 cu. ft. room in less than 2 minutes</li>
<li>Flange Type: 3 hole round: We do not currently have any flanges for this blower</li>
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