Bath Exhaust Fan, Discharge Direction Horizontal, Duct Diameter 6 in, Duct Shape Round, Housing Finish Galvanized, Housing Material Steel, Heater Without Heater, Includes Acoustic Insulation, Grille, Mounting Brackets, Aluminum Backdraft Damper, Mounting Location Ceiling, Maximum Airflow 104 cfm, Exhaust Airflow @ 0.100 in SP 92 cfm, Exhaust Airflow @ 0.000 in SP 104 cfm, Maximum Noise Level 2 sones, Noise Level @ 0.100 in SP @ 5 ft 1 sones, Number of Speeds 1, Overall Depth 13 7/8 in