Product: Tech Drive Very-Quiet 70 CFM, 2.0 Sone Bathroom Ventilation and Exhaust Fan (70CFM)
Brand: Tech Drive
Color: White
How to choose your Bathroom Fan?

  What is a sone rating?
 Sones, or the sone rating, is a term used to describe sound levels. Lower sone ratings are found on quieter fans. Higher sone ratings indicate a louder bathroom fan.

 What is CFM? 
 CFM (Cubic Feet per Minute) measures fan air movement. CFM increases as air movement increases. A higher CFM is best for a larger bathroom; a lower CFM may be adequate for smaller spaces.

 TD-BF-01 110CFM/1.0Sones. Ventilating for bathroom up to 110 Sq. Ft 
 TD-BF-02 90CFM/0.8Sones. Ventilating for bathroom up to 90 Sq. Ft 
 TD-BF-03 70CFM/2.0Sones. Ventilating for bathroom fan up to 75 Sq. Ft

Very quiet bathroom fan (2.0 sones) and Strong air movement (70CFM) for bathroom up to 75 Sq. Ft
7.5in x 7.25in x 6in with 3in duct. Ceiling Mounting Opening: 7.5in x 7.3in.
Easy-to-Install: No cut housing installation and replaces most small bathroom standard fans(As: Housing Size 7.5in x 7.25in) using existing ceiling opening . Please note that the housing height of this fan is 6 inches. If you replace an old fan with a housing height of 4 inches, make sure that the ceiling is installed deep enough before replacing.
UL and HVI certified for performance assurance
Galvanized steel Housing resists corrosion

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