It is made from high-quality clear Boro 3.3 glass, ensuring excellent chemical resistance and thermal stability. This flask is Class A certified, providing accurate and reliable liquid measurements for large-volume applications. Featuring a NS 29/32 neck size, it is compatible with a wide range of laboratory glassware and includes a PE stopper to securely seal the contents. The blue scale offers clear visibility for precise 2000 mL measurements, and batch certification ensures traceability for quality assurance. This flask is perfect for large-scale laboratory applications in chemical, pharmaceutical, and educational settings.