PANASONIC FV08WQ1/VENT.CEILING FAN Static Pressure in inches w.g. 0.03 Air Volume (CFM) 70 (54 at 0.25" static pressure) Noise (sones) 1.1 Power Consumption (Watts) 18 at 0.03" static pressure Energy Efficiency (CFMs/Watt) 3.9 Speed (RPM) 660 at 0.03" static pressure Current (Amps) 0.2 (0.2 at 0.25" static pressure) Power Rating (Hz) 120/60 Motor Type Condenser Type of Motor Bearing Sleeve Thermal Fuse Protection Yes Blower Wheel Type Propeller Duct Diameter (inches) 8" Mounting Opening (inches sq.) Use Enclosed Template Grille Size (inches sq.) 10-1/8" UL Listed for Tub/ Shower Enclosure Yes, when used with a GFCI branch circuit wire Mfg in ISO 9001 Certified Facility Yes Super Quiet Operation Yes Energy Star Efficiency Yes Totally Enclosed Condenser Motor Yes, for long life - Rated for continuous run Easy Installation Yes Rust Proof Paint Treatment Yes, on galvanized housing Built-In Damper Yes, to prevent back draft Contemporary Grille Design Yes Weight 12.1 lbs