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Belt Drive Hooded Axial Downblast Exhaust Ventilators

Downblast exhaust ventilators direct exhaust air down through a precipitation shielding bell cap, toward the roof or exterior wall on which they are mounted. Because of the downward air movement and rain shield, no damper is needed, as with an upblast exhaust ventilator. Air flow is driven by a fan turned by a belt which attaches to both motor and fan shaft (as opposed to a direct drive axial downblast ventilation system) within the hood, ensuring quiet, precise operation. These ventilation fans can be used as part of a home ventilation system, or in commercial and industrial buildings.

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