Features: Soothing Heat (Fan-Forced); Powerful Ventilation; Bright Ceiling Light; Convenient Night-Light; Combination Fan-Forced Heater, Ventilator And Ceiling Light Provides Comfort, Convenience And Long-Lasting Dependability; Electronically Balanced Centrifugal Blower Wheel Forces Heat Evenly Throughout The Room; Automatic Reset Thermal Protection; Expansion-Type Hanger Bars For Joists Up To 24.000 IN O.C.; Mounting Brackets Adjust For Up To 3/4 IN Plaster Thickness; Detachable Junction Box Features Three (3) Wiring Knockouts; One-Piece Diecast Grille With Pebble-Texture Bezel Is Available In A Choice Of Three Finishes: Polished Brass, Chrome Or White Enamel, 8.000 IN Diameter Glass Lens Extends Only 3.000 From Ceiling; Available As Energy Efficient Fluorescent Unit Model 9093FWH, Uses 26 Watt Nema Type Cfm26W/Gx24D/827 Fluorescent Lamp, Light Output Equal To 100 Watt Incandescent (1,800 Lumens), Other Units Use One (1) Standard 100 Wall Bulb. Purchase Bulbs Locally; All Units Include Night Light Feature 0ne (1) 7 Watt Bulb (Not Included); Connects To Standard 4.000 IN Round Duct; Wall Switch With Separate On/Off Controls For All Four Functions Is Included With Each Unit, Or May Be Used With Any Standard In-Line Thermostat To Control The Heat Cycle; Finish: White Enamel Grille, White Enamel Reflector; Impeller Type: Ventilator - (1) Aluminum, Heater - (1) Aluminum; Housing Size: 13-1/4 IN Diameter X 7-1/2 IN Depth; Grille Material: Die-Cast Zinc; Grille Size: 15-3/8 IN Diameter X 3 IN Height; Duct Size: 4 IN Round; Sones: 3.5 Sones; Element Type: Heating - Open Coil, 1500 W; Element Material: Nickel-Chromium; Motor Specification: Ventilator - Thermally protected, Heater - Thermally protected; Switch Type: On/Off; Cfm: 70 CFM; Material: Steel Reflector, Glass Lens