German Schott Glass Posted by Sean Geng on December 17, 2015 A high end grade of glass that has been carefully refined and proves to be a cleaner, more durable type of glass. This special glass (Schott Duran tubing) ensures a clean, clear, refined look. Related Topics High grade German Schott Glass Encyclopedia How Does Your Endocannabinoid System Work? 6 Minute Read Products with German Schott Glass Discuss "German Schott Glass"