Introducing the Nalge Nunc Volumetric Flask, model NALGENE 4001-0250. This high-quality flask is crafted from durable PMP (polymethylpentene), ensuring excellent clarity and chemical resistance. With a capacity of 250 mL, it features a secure screw cap that prevents leaks and contamination, making it perfect for precise measurements in laboratories. The easy-to-read graduation marks allow for accurate volume readings, while its lightweight design ensures easy handling. Ideal for both educational and professional settings, this volumetric flask is a reliable choice for all your liquid measurement needs.