Introducing the Nalge Nunc Square Media Bottles, designed for precision and convenience in laboratory settings. Made from durable PETG material, these bottles are both sterile and graduated, ensuring accurate measurements for your media. With a square shape, they maximize storage efficiency and minimize space usage in your lab. The secure screw cap prevents leaks and contamination, making them ideal for transporting and storing sensitive samples. Perfect for microbiology, cell culture, and other applications, these bottles are a reliable choice for any researcher seeking quality and performance.