It are crafted from high-quality Boro 3.3 glass, offering excellent chemical resistance and thermal stability. Certified as Class A, these cylinders ensure precise measurements for laboratory applications. The tall form design improves accuracy by reducing the meniscus effect, while the blue scale ensures easy visibility of measurements. Equipped with a PE stopper, the cylinder ensures secure sealing during storage or transport. This pack of 2 is ideal for chemical, pharmaceutical, and educational laboratory experiments requiring reliable and precise measurements.