... heater 1500W Energy Efficient Zone Heating Durable PTC heating element Easy maint Multifunction heaterFeatures:Even ... No flames, fumes or deadly monoxides. Our unique PTC design generates SAFE heat, with NO possible fire ... want heated. No system heat loss.Durable PTC heating element: 80,000 hours long-life ... . Unlike units with fragile glass lamps, our PTC elements will not be broken during shipping or ...