This premium borosilicate Erlenmeyer flask is hand-blown and measures 4.6 inches tall with a base diameter of 2.2 inches. It features an acid-proof polypropylene cap with a PTFE liner, making it suitable for laboratory use and home applications. The flask is top-rack dishwasher safe and autoclavable, ensuring easy cleaning and durability. Eisco Labs borosilicate glass offers excellent heat resistance, with strain point at -515°C, annealing point at 565°C, and softening point at 820°C.