GSC International EF150 Erlenmeyer Flask, Conical Shape, Standard Neck, 150ml capacity. Made from Borosilicate Glass, that is resistant to thermal shock and a good fit for any laboratory, science classroom, or homeschool. The flask has thick walls, graduations, and a white marking spot. A size 4 rubber stopper fits this flask.

These Erlenmeyer flasks have a narrow mouth, a tooled top finish, and are graduated. This 150ml capacity flask is made of quality borosilicate glass that is resistant to thermal shock and a good fit for any laboratory, science classroom, or homeschool. The flask has thick walls, graduations, and a white marking spot. A size 4 rubber stopper fits this flask.

Erlenmeyer Flasks, each with 150mL capacity and easy-to-read white enamel graduations every 25ml.

Industrial Quality. Made of high quality, heavy duty, borosilicate 3.3 glass with excellent strength against thermal expansion and breakage. Microwavable and autoclavable, with superior chemical durability. Can withstand high temperatures and thermal shocks.

Superior Durability. Features uniform wall thickness ideal for heating and a reinforced rim for protection against high impacts.

Suitable for many environments including a Professional Laboratory, Science Education and a Classrooms or Homeschool.

A size 4 rubber stopper fits this flask.

⚠️ Proposition 65 Warning for California Residents:

WARNING: This product may expose you to chemicals including styrene and/or bisphenol A (BPA), which are known to the State of California to cause cancer, birth defects, or other reproductive harm.

For more information, visit www.P65Warnings.ca.gov.