PYREX Boiling Flask, 500 mL, Long Neck, Round Bottom, Tooled MouthDescription: This PYREX 500 mL boiling flask is ideal for heating and boiling applications in laboratory environments. Featuring a round bottom and long neck, it ensures even heat distribution and easy handling. The tooled mouth allows for a secure fit with rubber stoppers or adapters. Made from high quality borosilicate glass, it provides excellent resistance to thermal shock and chemical corrosion. Specifications: Brand: PYREX Type: Boiling Flask