PYREX Narrow Mouth Erlenmeyer Flask with Heavy Duty Rim,Borosilicate Glass Flask – Premium Glass Chemistry Flask for Laboratory, Classroom or Home Use,PYREX Chemistry Glassware, Multipack, Set of 5

PYREX Narrow Mouth Erlenmeyer Flask with Heavy Duty Rim,Borosilicate Glass Flask – Premium Glass Chemistry Flask for Laboratory, Classroom or Home Use,PYREX Chemistry Glassware, Multipack, Set of 5

• LABORATORY FLASK: This narrow mouth conical borosilicate glass flask is ideal chemistry glassware for use in laboratories, schools, and for home and STEM activities and experiments.
• SAFE & DURABLE: Offering superior heat, chemical and thermal shock resistance, the flat bottom lab glassware with heavy duty rim delivers premium strength and will not shatter easily.
• CLEAR METRIC MARKINGS: A graduated metric scale in white enamel makes it easy to measure liquids and approximate contents, and the lab glass flask has a large labelling area.
• EASY TO CLEAN: The reusable glass scientific flasks are easy to clean and can be sterilized safely in autoclaves at 121°C, making them ideal for repeated use in busy lab environments.
• PYREX GLASSWARE: PYREX scientific glassware has been a trusted partner for chemists and research scientists in the toughest laboratory environments for more than 100 years.

Ideal for your laboratory start-up needs or for those that use a variety of flask sizes but have limited lab space or glassware needs. Each pack contains one each of the 5 most popular Pyrex® flask sizes: 50 mL, 125 mL, 250 mL, 500 mL, and 1,000 mL. Packaged in a partitioned carton for safe transit and storage.