commercial/industrial infrared radiant heater 100% safe 25-year lifetime at least 99.99% heating efficiency Energy saving commercial/industrial infrared radiant heater l 100% safetyl 25-year lifetime at leastl 99.99% heating efficiencyl Energy saving, fast heatingl Good for healthl Indoor & outdoor usel No smell, No light, No transformationIndustrial places: factory, warehouse, ...