U.S. G.I. Pyrex 250mL Erlenmeyer Flask, 2 Pack

A must-have for labs, workshops, and creative minds alike, the Pyrex 250mL Erlenmeyer Flask is built for precision, and versatility. Made from high-quality borosilicate glass, it resists drastic temperature changes and offers exceptional strength, stability, and chemical resistance—perfect for scientific use, crafting, distilling, or even home experiments. Its narrow mouth with a heavy tooled rim allows for controlled pouring, while the brilliant transparency and white enamel graduations make measurement readings quick and easy. Trusted in education, research, and professional laboratories for over 100 years, Pyrex glassware is designed to withstand extreme conditions while remaining budget friendly. Whether you're mixing solutions, creating DIY projects, brewing small batches, or just need a high-quality glass container, this Corning® 4980 Pyrex flask is a fantastic surplus find with endless possibilities. Unused condition. Genuine Pyrex® Lab Glassware. Made in the USA.

Expert Tips:

Always preheat or cool gradually to maximize the lifespan of borosilicate glass. Perfect for homebrewing, candle making, or even unique decor in addition to lab use. Pair with a rubber stopper or cotton plug to minimize contamination or evaporation.