The RBF-5000-3N-100mm is made from high quality Schott glass, and is the original Rundkolben (triple offset joints) flask. The most popular and strongest distillation flask of its kind. Made specifically for Summit MPD heads. The dimensions and geometry of the joints are original concepts brought to market by Summit Research. We strive to provide the best products for your needs.
Made in USA. 100% Schott glass. The very best quality for your money guaranteed.