Bath Exhaust Fan, Discharge Direction Horizontal and Vertical, Duct Shape Rectangular, Housing Finish Galvanized, Housing Material Steel, Heater Without Heater, Includes Backdraft Damper, Grille, Mounting Brackets, Vari-Green EC Motor, Mounting Location Ceiling, Maximum Airflow 557 cfm, Exhaust Airflow @ 0.100 in SP 583 cfm, Exhaust Airflow @ 0.000 in SP 604 cfm, Maximum Noise Level 9.2 sones, Noise Level @ 0.100 in SP @ 5 ft 8 sones, Number of Speeds 2, Overall Depth 18 in