Duct Fans * Boost the airflow to poorly ventilated rooms! * Installs in metal or flexible ducts * Boost airflow to selected areas * Use as a super quiet bathroom exhaust fan * Use to assist ventilation * 80 to 100 cubic ft. maximum air flow per minute Imagine being able to walk into a room, press a button and have the airflow only to that room immediately boosted by up to 80%, quietly. Increase ventilation to selected areas when guests are over, equalize temperatures in rooms that are too hot or too cold. Or, build your own power circulated HVAC system. Installation is easy: simply cut the flexible or rigid duct where you want the fan installed, insert the duct, and then seal the duct with duct tape and supplied nylon strap. These multi-purpose In-Line Duct Fans can be used to boost airflow through existing HVAC systems or for exhaust air ventilation. These In-Line Duct Fans can be wired directly to a wall switch for manual control or to an HVAC system (a 110V relay not included may be required). Specifications Model Duct Diameter Housing Length Maximum Boosted CFM Free Air CFM Amps 3016 4" 6" 80 40 .35 3011 6" 8" 250 160 .35 3012 8" 8" 500 210 .45 3013 10" 8" 650 300 1.5 3014 12" 8" 800 650 2.8 Order below depending on the diameter size of your duct. usually ships in 1-2 days Click Here To Whole House Attic Fans
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