• Conical Erlenmeyer flask with narrow neck • Made of high quality, chemical resistant borosilicate 3.3 glass • Mechanically strong with low temperature gradient • Uniform wall thickness ideal for heating • Conical shape for thorough mixing • Reinforced rim ensures high impact strength • Easy to read white enamel graduations • Graduated to indicate approximate volume • As per DIN ISO 1773 standard • Autoclavable at 121°C