infrared heater ceramic infrared heater CE&ETL certification infrared heater Multifunction heater Even safe, humidify Energy Efficient Heating Zone CE & ETL ... " Depth: 16.5 " Durable PTC heating element: 80,000 hour long-life heating element insures no need for replacement of the ... heating element. Unlike units with fragile glass lamps, our PTC element will not be broken during ...