Constructed from Borosilicate 3.3 s, ensuring durability and resistance to thermal shock. Versatile capacity options ranging from 100ml to 20000ml, perfect for various laboratory applications and experiments. Features a GL45 screw cap made of PP and PTFE with a silicone gasket, providing a secure, leak-proof seal for safe storage. Includes a high-temperature resistant 4-hole mobile phase cap, capable of withstanding temperatures up to 140℃ for reliable performance. devised with a drip-free pouring ring for precise dispensing, minimizing spills and ensuring a clean laboratory environment.