Transfer Fan Discharge Direction Horizontal Duct Shape Rectangular Housing Finish Powder-Coated Housing Material Steel Heater Without Heater Includes Cut-Out Templates Mounting Hardware Mounting Location Interior Sidewall Maximum Airflow 60 cfm Exhaust Airflow @ 0.000 in SP 75 cfm Maximum Noise Level 1 sones Noise Level @ 0.100 in SP @ 5 ft 1.2 sones Maximum Coverage Area 150 sq ft Number of Speeds 1 Overall Depth 3 5/8 in Overall Height 4 3/4 in Overall Width 15 5/8 in