Field Controls Air Boosters for Round or Square Metal Ducts (up to 220 CFM)

Field Air Boosters improve air flow and distribution of conditioned air to "problem" rooms in homes and businesses. They are mounted in ductwork and improve air flow by up to 1400 cfm, improving heating/cooling system efficiency and saving energy. There are nine models designed for round or square ducts up to 14" in diameter. Features Increase air flow to problem rooms up to 220 CFM Designed for round or square metal ducts 6? or larger Easy installation Heavy-duty motor Motor is designed for years of trouble free operation