Exhaust Fan Sidewall 4 dia. 164 cfm

Exhaust Fan Discharge Direction Vertical Duct Diameter 4 in Duct Shape Round Housing Finish Painted Enamel Housing Material Steel Includes Backdraft Damper Exhaust Grille Maximum Airflow 171 cfm Exhaust Airflow @ 0.100 in SP 162 cfm Exhaust Airflow @ 0.000 in SP 171 cfm Maximum Noise Level 9.1 sones Noise Level @ 0.100 in SP @ 5 ft 8.7 sones Maximum Coverage Area 300 sq ft Number of Speeds 1 Overall Depth 9 in Overall Height 13 1/4 in Overall Width 13 1/4 in Phase 1