Premium high borosilicate glass construction ensures high durability and resistance to extreme temperatures and substances. Available in various diameters (3mm-25mm) and customizable lengths (100mm-500mm) to meet diverse laboratory needs. Features a flat mouth devise with smooth edges for easy handling and precise application in experimental setups. High transparency and fine workmanship allow for accurate observation of contents, enhancing experimental accuracy. Before use, always check the sealing with clean water to prevent leaks and ensure optimal performance during experiments., Manufacturer: ITITI