Glass Flask Erlenmeyer Flask Set Narrow Mouth Graduated Flasks (250ml)

Glass Flask Erlenmeyer Flask Set Narrow Mouth Graduated Flasks (250ml) About this item 100% SATISFACTION SERVICE: Our 250ml 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 it doesn't push out. High Quality Borosilicate Glass: High temperature resistance. These borosilicate glass erlenmeyer flasks have High chemical durability and low thermal expansion. Convenient to use: Suitable for beginners or professional use, also the students, convenient classroom borosilicate glass erlenmeyer flasks. Clear Scale:250ml Erlenmeyer Flasks have clear and accurate scales for you to measure liquid efficiently. Neck Style: Narrow mouth. Conducted in a slow and careful manner to avoid breakage. Heavy Duty Reusable.