In this episode, we show you how to identify your CO2 glass laser tube the right way. Whether you’re new to CO2 lasers or just curious about what’s powering your machine, this guide will walk you through the essentials. From spotting key design features to understanding performance differences, knowing your laser source is critical for troubleshooting, upgrades, and safety compliance. If you’ve ever wondered what kind of glass tube is in your CO2 laser, this video has the answers.