... , 110, 120, 220, 230, 240V - WATT: 50-10,000W - HZ: 50-60 HZ carbon quartz heaters and carbon fiber quartz heater Highlights ... , 110, 120, 220, 230, 240V - WATT: 50-10,000W - HZ: 50-60 HZ Carbon fiber quartz heater elements and carbon fiber heater ...