Broan HD80L HEAVY DUTY FAN/LIGHT 80CFM

Ceiling Ventilator, Discharge Direction Horizontal And Vertical, Duct Diameter 4 In, Duct Shape Round, Housing Material Steel, Heater Without Heater, Includes Automatic Backdraft Damper, Mounting Location Ceiling, Maximum Airflow 93 Cfm, Exhaust Airflow @ 0.100 In Sp 87 Cfm, Exhaust Airflow @ 0.000 In Sp 97 Cfm, Maximum Noise Level 2.5 Sones, Noise Level @ 0.100 In Sp @ 5 Ft 4.1 Sones, Maximum Coverage Area 75 Sq Ft, Number Of Speeds Variable, Overall Depth 8 In, Overall Height 5 3/4 In