Duct Diameter (inches) 4" (3" with adapter) Air Volume (CFM) 4" Duct: 50 (30 at 0.25" static pressure) 3" Duct: 50 (31 at 0.25" static pressure) Noise (sones) 4" Duct: 0.4 3" Duct: 0.5 Power Consumption (Watts) 4" Duct: 15.0 (14.7 at 0.25" static pressure) 3" Duct: 15.0 (14.8 at 0.25" static pressure) Energy Efficiency (CFM's/Watt) 4" Duct: 3.3 (2.1 at 0.25" static pressure) 3" Duct: 3.3 (2.1 at 0.25" static pressure) Speed (RPM) 4" Duct: 637 (932 at 0.25" static pressure) 3" Duct: 741 (978 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 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 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 11.22 lbs
