80 CFM
Ultra quiet producing only 1.3 sones 
The fan automatically locks when pressure builds from blockages in the duct
9.5 watts
4" Duct
10.75" x 9.38" faceplate cover
Includes fan body, a suspension bracket, and grille
Energy Star rated
Title 24 compliant
Exceeds Ashrae 62.2 requirements
HVI Certified