20000 BTU Ventless Natural Gas Radiant Heater with Manual Control Value:box ) 55 Glass Texture Clear ) 55 Glass Texture Clear Frame Finish Brushed Nickel Door Type Sliding Double Hinged No Returnable 180 Day Towel Bar Yes Glass Finish Clear Handle Finish Nickel Hardware Included Yes Style Modern 8 Door Handing Universal Lock Type Keyed Door Lock Style Classic Commercial Residential Residential Total Number of Keys Included 2 Finish Satin Nickel Deadbolt Type Single Cylinder Deadbolt Minimum door thickness (in No electricity required to operate heater ProCom Heating's infra red space heaters are assembled and feature a new slimmer cabinet design with the latest advancement in vent free infra red burner design