carbon fiber heater , carbon fiber heating lamp , 300W - 2500W , lifepsan 5000 hours ,With CE certificate Carbon fiber heater (with CE certificate)Carbon fiber heating lamp230V 2000 ... : more than 98% of consumed energy transmitted into infrared heat4) Long lifespan: 5, 000, 6, 000 ... electric heating transfer ratio of carbon fiber.Health-care carbon fiber emits infrared ray of 8-14 micron which ...