heating lamp VOLT: 100, 110, 120, 220, 230, 240V - WATT: 50-2500W - HZ: 50-60 HZ Carbon Fibre Heating Tube1. Highlights: - FIR ... 8, 000 hours of serving life 2. Technical Parameters: - VOLT: 100, 110, 120, 220, 230, 240V- WATT: 50-2500W- HZ: 50 ... and produce carbon fibre heating tubes according to the needs of customers on operating voltage, power, size, length etc. Carbon Fiber Quartz Heating ...