KS & JR models duct booster fans is designed to increase the flow of heated or cooled air in branch ducts of a heating and central air conditioning system. They can also be used to improve the air flow of a gravity warm air furnace.
Install the KS or JR model air booster fans in branch ducts serving individual rooms, where proper air flows cannot be achieved. Locate the KS air booster near the outlet end of a problem branch duct will provide the best performance.
Designed to operate in round metal or flexible type ducts. Not designed for installation in the main air supply ducts.