Qmark 30DDWS Whole House Ventilator
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- 6900 CFM - 625 RPM - 5.5 Amps
- Comes equipped with shutter. 30" x 35 7/8"
- Easy installation over 16" O.C. (some framing required for 24" O.C.); No joist cutting required.
- Requires 28" x 33 3/4" opening and 30" x 36" clear ceiling space
- 2-speed direct drive motor with pull chain control
- Three-petal blade for maximum airflow; cools or ventilates a large home
- Thermal overload protection for maximum safety
- Direct drive for consistent, low maintenance operation
- Deep venturi for quiet operation and maximum performance
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