Duct Diameter (inches) 4" (3" with adapter) Air Volume (CFM) 4" Duct: 50 (35 at 0.25" static pressure) 3" Duct: 50 (35 at 0.25" static pressure) Noise (sones) 4" Duct: <0.3 3" Duct: <0.3 Power Consumption (Watts) 4" Duct: 16.6 (16.5 at 0.25" static pressure) 3" Duct: 16.6 (16.5 at 0.25" static pressure) Energy Efficiency (CFM's/Watt) 4" Duct: 3.0 (2.1 at 0.25" static pressure) 3" Duct: 3.0 (2.1 at 0.25" static pressure) Speed (RPM) 4" Duct: 703 (917 at 0.25" static pressure) 3" Duct: 769 (989 at 0.25" static pressure) Current (Amps) 4" Duct: 0.14 (0.14 at 0.25" static pressure) 3" Duct: 0.14 (0.14 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 Mounting Opening (inches sq.) 10-7/8" Grille Size (inches sq.) 13" Light Yes Lamp Watts 2 x 18 watts Lamp Color Rendering Index 84 Lamp Color Temp. (Kelvin) 3500 Electronic Ballast Lamp Rated Average Life (hrs) 10,000 Lamp Model # FDS18E35/4 Night Light Yes Night Light Lamp Watts 4 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 Super Slim Design Yes, only 5-5/8" deep Double Hanger Bar Yes Dimensions (H x W x D) 55/8'' x 101/4'' x 101/4'' Weight 14.27 lbs
