Constructed from borosilicate 3.3 s, ensuring durability and resistance to chemical erosion. Transparent brown color allows for easy monitoring of reactions while providing explosion-proof . devised to withstand high temperatures up to 140°C for ​ and rapid temperature changes up to 280°C. Features a uniform wall thickness with a minimum of 2.2 mm, enhancing strength and reliability during use. Ideal for laboratory experiments, studies, and fuel cell applications, offering excellent water and acid resistance.