OUNONA 2pcs Professional Conical Flask Ground Glass Stopper Borosilicate Glass Laboratory Supply for Accurate Measurement and Sample Trials Chemistry and Brewing

Package Include 2 x Erlenmeyer Flask Characteristics - ColorTransparent Conical FlaskGoods DescriptionConical Flask More convenient to use for students in school when doing experiments in chemistry class.Borosilicate Glass Flask Made of glass material, , safe and odorless.Glass Flask for Students Standard capacity: clear scale, easier to identify for accurate measurement.Glass Flask for Laboratory No bubbles, no burrs, smooth and rounded

• Lab-- excellent product quality, with quality assurance, no bubbles, no burrs, smooth and rounded,glass flask
• Lab conical flask-- uniform wall thickness is conducive to uniform heating of the flask,borosilicate glass flask
• Conical flask for chemistry-- standard capacity: clear scale, easier to identify for accurate measurement,narrow-mouth flask
• Erlenmeyer flask bottle-- more convenient to use for students in school when doing experiments in chemistry class,graduated flasks
• Flat bottom flask-- the borosilicate glass erlenmeyer flask has high chemical durability and low thermal expansion,lab flask