Our Separation Tube is made from heat-resistant borosilicate glass, and has a PTFE stopcock and a 24/40 ground glass joint. PRODUCT WARNINGS Our products are not toys . Use in a laboratory or educational setting only. Not for children 13 and under.

These biomass flasks are made from quality borosilicate glass. They all have a 24/40 ground glass bottom joint, but their top joints are all different sizes that are designed to fit our various distilling arms . The large top openings are ideal for inserting materials for distillation. …