PNS1111 Features: * Bathroom fan * Number of lights: 2 * Double hanger bar * Detachable adaptors * Thermal fuse protection * Easy and friendly installation * Galvanized steel for long life * Built-in damper to prevent back draft * Designed to give you continuous, trouble-free operation * Electrical configuration design of this model condenser motor * Rust proof paint treatment on galvanized housing * Totally enclosed condenser motor for long life rated for continuous run * Motor type: Condenser * Motor bearing type: Ball * Blower wheel type: Sirocco * Power rating (V/Hz): 120/60 * Lamp rated: Average life 10,000 hours * ISO 9001 certified * Energy star * Eco friendly * Mounting opening (inches sq.): 107/8"" * Duct diameter: 4"" or 3"" Adapter * Grille size (inches sq.): 13"" Includes: * Included 3"" duct adaptor Color/Finish: * Lamp color rendering index: 84 * Lamp color temprature: Kelvin 3500 electronic ballast Specifications: * Bulb type: 18W fluorescent Dimensions: * Noise (sones) 3"" duct: 0.6 at 0.1"" Static pressure * Noise (sones) 4"" duct: 0.5 at 0.1"" Static pressure * Air volume (CFM) 3"" duct: 70 at 0.1"" Static pressure, 57 at 0.25"" static pressure * Air volume (CFM) 4"" duct: 80 at 0.1"" Static pressure, 63 at 0.25"" static pressure * Power consumption 3"" duct: 29.4 at 0.1"" Static pressure, 28.7 at 0.25"" static pressure * Power consumption 4"" duct: 29.7 at 0.1"" Static pressure, 29.1 at 0.25"" static pressure * Energy efficiency (CFM) 3"" duct: 2.4 at 0.1"" Static pressure, 2.0 at 0.25"" static pressure * Energy efficiency (CFM) 4"" duct: 2.7 at 0.1"" Static pressure, 2.2 at 0.25"" static pressure * Speed (RPM) 3"" duct: 937 at 0.1"" Static pressure, 1067 at 0.25"" static pressure * Speed (RPM) 4"" duct: 828 at 0.1"" Static pressure, 981 at 0.25"" static pressure * Current (Amps) 3"" duct: 0.25 at 0.1"" Static pressure, 0.24 at 0.25"" static pressure * Current (Amps) 4"" duct: 0.25 at 0.1"" Static pressure, 0.24 at 0.25"" static pressure * Overall dimensions:5.63"" H x 10.25"" W x 10.25"" D Collection: * Whisper Fit collection