Glass Erlenmeyer Set Narrow Mouth Graduated s (50ml 4pcs) - BOMEX Flask

• 100% SATISFACTION GUARANTEE: Our Erlenmeyer Flasks are made of high quality borosilicate glass. If they are any questions, please feel free to contact us, we will do our best to meet your satisfaction. Pls note that the stopper is very soft, you have to push hard to get in, only that doesn't push out. High Quality Borosilicate Glass: High temperature resistance. These borosilicate glass erlenmeyer flasks have High chemical durability and low thermal expansion. Value Set: Contains 50ml 100ml 250ml flasks. Suitable for beginners and students, convenient classroom borosilicate glass erlenmeyer flasks. Clear Scale: Erlenmeyer Flasks have clear and accurate scales for you to measure liquid efficiently. Clear Scale: Erlenmeyer Flasks have clear and accurate scales for you to measure liquid efficiently.