Description Coleman-Mach makes top of the line products that provide indoor comfort for the great outdoors. Features & Benefits Operation And Control Knobs Are Located On The Horizontal Surface For Easy Access A Low Profile, Euro Styling Provides A Contemporary Look And Feel While Covering Any Existing Ceiling Imprints When Replacing Earlier Ceiling Assembly Designs Pop-Out Retainer Grilles For Easy, Tool-Free Access To The Washable Air Filters Electric Heat Strip Ready Makes Installation A Breeze Works With Wall Thermostat Control Limited 2 Year Warranty.