8 Inch Inline Duct Fan 420 CFM, HVAC Exhaust Ventilation Fan with Low Noise

Low Noise: Superior balanced centrifugal impeller for long service life & quiet operation; At less than 40 dB noise level does not have any harm and will not disturb your work. Durable: The fan has a strong motor which features a permanently lubricated bearing that operates quietly and requires no maintenance.

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