This vintage Pyrex glass flask is a must-have for any collector or laboratory enthusiast. With a 250ml capacity, it is perfect for boiling and culturing media, making it an ideal addition to any laboratory or industrial setting. The flat bottom design ensures even heat distribution, and the durable glass construction ensures long-lasting use. The brand, Pyrex, is known for its high-quality glassware and this flask is no exception. It is classified under the categories of Lab Flasks, Glassware Plasticware, Medical, Lab Dental Supplies, Healthcare, Lab Dental, and Business Industrial. This flask is suitable for a variety of applications, including but not limited to, laboratory experiments and industrial production. These particular pieces were used at a municipal water treatment facility. The pictures show a Pyrex bottle but there are no more left!! The only ones left are Kimax!!