The THERMO 250mL Disposable PETG Graduated Flask is a high-quality lab flask designed for various disciplines such as physical, dental, microbiological, medical, and biological laboratories. With its baffled bottom and vented cap, this Erlenmeyer flask ensures precise measurements and minimizes the risk of contamination. Made of durable PETG material, this flask is convenient for dispensing and mixing fluids in a laboratory setting. The set includes 12 units, making it ideal for healthcare, lab, and dental professionals looking for reliable and efficient glassware supplies.