Hey science folks! This ADAMAS-BETA glass straight connector is exactly what you need for your chemistry setup. It's that perfect 90mm length between two 14/20 standard taper joints - super handy when you need to extend your distillation apparatus or use it as an air condenser. The heavy-wall glass construction is seriously impressive - it can handle high temperatures like a champ and won't get eaten away by acids or bases. The surface is super smooth too, which makes cleaning a breeze and ensures tight seals every time. Whether you're working in an organic chemistry lab, teaching students, or doing some home experiments, this adapter makes connecting different pieces of glassware so much easier. It's built to last through countless experiments without cracking or degrading. The transparent glass lets you see what's happening inside, which is always helpful for monitoring reactions. Seriously, if you're tired of makeshift solutions or need reliable connections for your lab work, this straight connector is worth every penny. It's one of those simple pieces that just makes everything work better in your chemistry setup!