AmeriFan AIF4 Inline Duct Booster Exhaust Fan, 190 CFM, 4" for Growing, Hydroponics, Heating, Cooling, Venting, HVAC, Steel
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<b>[Product Information]</b><br>
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<li>Industrial grade design and manufacturing means performance and durability: high air flow even against 25 feet of pipe and several elbows. Warrantied by tjernlund products, established 1938</li>
<li>Cfm per watt (air flow efficiency) meets or exceeds requirements for energy star rating</li>
<li>Engineered by Fan Experts Based at Tjernlund's Minnesota Factory. Premium Fans Sold Factory Direct--Not Pay and Pray Mystery Fans</li>
<li>Includes mounting hardware, 6 foot cord, and electrical instructions for integrating any additional controls</li>
<li>Perfect for heating/air conditioning duct, factory exhaust, grow rooms, greenhouses, hydroponic farming, general factory exhaust or cooling of hot air in buildings and on equipment</li>
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