USI Bathroom 70 CFM 4 in. Vent Ventilation Fan
Model BF-704. Bath Fan. 70 CFM performance. 4.0 Sones. 4 in. duct adaptor with built-in damper. Exhaust capacity up to 85 sq. ft. Galvanized housing resists humid conditions and changing attic temperatures. Housing has Ceiling/Wall Thickness Indicator Markings and Built-In Mounting Tabs for Quick and Easy Installation. Permanently Lubricated Plug-In Motor for Quick Activation. Precision Balanced Blade. Decorative Molded Grille. Independently Tested for CFM and Noise Levels.
Diameter (in): 8.625
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