This is the bubble replacement glass tube for Asylum Mods Sherman RTA 25mm tank, if your tank glass is broken and want to find the replacement, this is the best one for you. It is built with high quality and fitting for the Asylum Mods Sherman RTA 25mm tank perfectly.The price is for 3pcs with free shipping, and you can also add 2usd for another 3pcs. Check below to see more details.