PANASONIC FV40NLF1/VENT.FAN/440CF/132WATTS Air Volume (CFM) 472 at 0.0" static pressure, 440 at 0.2" static pressure, and 408 at 0.4" static pressure Noise (sones) 2.1 Power Consumption (Watts) 132 Energy Efficiency (CFMs/Watt) 3.3 Speed (RPM) 1150 Current (Amps) 1.10 Thermal Fuse Protection Yes Duct Diameter (inches) 8" Super Quiet Operation Yes Totally Enclosed Condenser Motor Yes, for long life - Rated for continuous run Insulated Housing Yes, to prevent condensation and noise Tapered Duct Adaptor for easy connection Yes 5 Positions for Installation Yes Joint or Truss Attachment Brackets Included Yes Suspension Brackets Included Yes Grille Low profile family design Adjustable Airflow for Multi-Inlet Balance Yes Galvanized Steel for Long Life Yes Weight 26 lbs