EF Round Duct Booster Fan
$129.99
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Duct Booster in-duct fans boost airflow to hard-to-heat rooms! They are also great utility fans for home air supply, ventilation and exhaust projects. Boosts air flow in hard to heat or cool rooms. May be used as exhaust or air intake fans. Easy installation in both metal and flex duct. Quiet, smooth operation.
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