The new generation of WhisperGreen and WhisperGreen-Lite fans not only provide powerful CFM output at .25" w.g., but our sones have also been certified at .25" w.g. So they are quiet under pressure and after installation.
Features and Benefits:
- Built-in metal flange provides blocking for penetrations through drywall as an Air Barrier, and assists with the decrease in leakage in the Building Envelope during blower door testing.
- Fits in 2 x 8 construction
- UL listed for tub/shower enclosure when used with a GFCI protected circuit
- Protected by UL Class 2 Power Unit
- Built-in SmartAction® motion sensor, variable speed controls and delay timer up to 60 minutes on select models.
- Brushless DC motor with SmartFlow™ technology
- Integrated dual 4" or 6" diameter duct adaptor on 50 - 110 CFM models ensures optimal CFM output.
- Can be used to comply with ASHRAE 62.2, LEED, and CalGreen compliant
- 6-Year warranty on DC motor, 3-Year on parts, 1 year on CFL lamps