This listing is for a set of three (3) high-quality PYREX Class A volumetric flasks, each with a 500ml capacity. These precision laboratory flasks are ideal for preparing standard solutions and for accurate volumetric measurements in various scientific disciplines. Each flask is made from durable borosilicate glass, ensuring excellent chemical resistance and thermal stability. They come equipped with ground glass stoppers for a secure seal, preventing evaporation and contamination. Perfect for chemistry, analytical labs, research, and educational settings. Condition is excellent, as shown in images.