Field Controls Heavy Duty Air Boosters for Round or Square Metal Ducts (up to 305 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 305 CFM Unique design will work with square, rectangular and round metal ductwork Easy installation Can be used with forced air, oil, gas and electric furnaces and heat pumps The most durable, long lasting air booster on the market