PNS1014 Features: Bathroom Fan/Heat/Night/Nightlight Combination So Quiet You Might Not Know it's On Continuous, Trouble-free Operation for Many Years Easy Installation Built-in Damper to Prevent Backdraft Does Not Create Excessive Heat Static Pressure in inches w.g. - 0.1 Air Volume (CFM) - 110 (94 at 0.25'' static pressure) Noise (sones) - 1.0 Power Consumption (Watts) - 25 (24 at 0.25'' static pressure) Energy Efficiency (CFM's/Watt) - 4.4 (4.0 at 0.25'' static pressure) Speed (RPM) - 1080 (1260 at 0.25'' static pressure) Current (Amps) - 0.35 (0.35 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 - Sirocco Duct Diameter (inches) - 4'' Light - Yes Heater - Yes Heater Stainless Steel Sheethed Element - Yes Heater Directional Louver - Yes Heating Element Watts - 1400 Heater Blower Fan (CFM) - 80 Heater Blower Fan (Watts) - 24 Washington State VIAQ Code - Yes Mfg in ISO 9001 Certified Facility - Yes Super Quiet Operation - 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 Grill Design - Yes Dimensions: Mounting Opening (inches sq.) - 16-1/2''L x 13-1/2''W Grill Size (inches sq.) - 18-3/4''L x 16-7/10''W Collection: WhisperWarm Collection