PANASONIC FV15VQ4/CEILING VENT.FAN/ Air Volume (CFM) 150 (123 at 0.25" static pressure) CustomVent™ Variable Speed Control No SmartFlow™ Optimum CFM Technology No SmartAction™ Motion Sensor No Noise (sones) 0.6 Power Consumption (Watts) 31.4 (30.2 at 0.25" static pressure) Energy Efficiency (CFMs/Watt) 4.8 (4.1 at 0.25" static pressure) Speed (RPM) 673 (873 at 0.25" static pressure) Current (Amps) 0.29 (0.27 at 0.25" static pressure) Power Rating (V/Hz) 120/60 Motor Type Condenser Type of Motor Bearing Ball Thermal Fuse Protection Yes Blower Wheel Type Sirocco Duct Diameter (inches) 6" Mounting Opening (inches sq.) 10-7/8" Grille Size (inches sq.) 13" Light No UL Listed for Tub/ Shower Enclosure Yes, when used with a GFCI branch circuit wire Washington State VIAQ Code Yes Mfg in ISO 9001 Certified Facility Yes Super Quiet Operation Yes Energy Star Qualified 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 Galvanized Steel for Long Life Yes Double Hanger Bar Yes