FeaturesQT series ventilation products offer the rare combination of power and extremely quiet operationOffered with a variety of additional functions such as lights, nightlights and heatersHeater/fan/fluorescent light brings convenient, comforting warmth to your bathroomQuiet, high output 1500 W heater with exclusive, efficient PowerHeat™ designVersatility of a free breathing 6 in duct connectorBright 120 W lighting (two 60 W incandescent bulbs)7 W nightlight capacityFan motors are engineered for continuous operationSnap-in light diffusing lens for (2) 60 W bulbs and 7 W nightlight (not included)Resilient anti-vibration mountsPlug-in, permanently lubricated motorLow sound, high performance blower wheelAdjustable mounting brackets span upto 24 inUse model 77DV (ivory)/77DW (white) 4-function controlRequires a dedicated 20 A circuitFits in 2 x 8 in constructionHorizontal duct direction0.9 Sones sound level42.8 W at 0.1 in41.7 W at 1/4 in