The bottle comes with B14 cones for a secure connection to MTX reference electrodes.​ Designed exclusively for MTX reference electrodes, ensuring safe storage and prolonged lifespan.​ Made of durable and chemically resistant borosilicate glass for electrode protection.​Offers a contamination-free environment for accurate electrode storage.​Essential for maintaining quality control in electrochemical experiments.​Secure and Organized Storage Solution for Laboratory Reference Electrodes