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Inline Duct Booster, Housing Material Galvanized Steel, Fits Duct Dia. 5 to 8 in., Voltage 115, Max. Amps 0.51, Max. Wattage 40, Number of Speeds

Tjernlund Duct Booster 6 in. to 8 in. Rectangular Duct Fan DB-2 - The Home Depot

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