Duct Booster Fans Models EF6,8,10,12,14

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Residential and Commercial Duct Booster® fans boost air flow and increase the comfort level in hard to heat or cool rooms.
Eliminates the need to adjust the thermostat or install auxiliary heating or cooling equipment.
Fans can also be used for exhaust or fresh air intake applications.
Fits into metal or flex ducts. Models feature: easy installation, durability, economical price, variable speed adjustability, manual or automatic operation.
Capacities from 180 CFM up to 1200 CFM.