Elevate your laboratory experience with the Kimble Chase 25277 Round-Bottom Boiling Flasks. This pack of two 250 mL flasks features a sturdy round-bottom design, ideal for even heating and efficient mixing of liquids. Each flask is equipped with a ST 19/22 joint, ensuring a secure fit for various apparatus. Made from high-quality KIMAX glass, these flasks are resistant to thermal shock and chemical corrosion, making them perfect for a range of experiments. Whether you’re in a professional lab or a home setup, these flasks are essential for any chemist's toolkit!