It is manufactured from high-quality Boro 3.3 glass, ensuring excellent chemical resistance and durability. This Class A flask guarantees precise and reliable volume measurements, making it ideal for use in analytical and research laboratories. The NS 14/23 ground joint ensures compatibility with standard laboratory equipment, while the PE stopper provides a secure and airtight seal. The blue scale allows for clear and accurate readings. With batch certification for traceability, these volumetric flasks meet stringent laboratory standards. Supplied in a pack of 2 for added convenience.