X-Series Laser TubesFEATURES Get the security of knowing you have maximum power from any tube purchased from Boss Laser. We use wattage readers to confirm laser power, for optimum spot size and beam quality. Most glass CO2 laser tubes are under powered by at least 15%. Tube and power supply testing ensures you get 100%+ power. Metal sealed 70 watt output CO2 laser tubes can quickly be installed on most CO2 laser machines. Call us if you need help. Longer life span, up to