This is the replacement glass tube for Wotofo Serpent SMM RTA, it is built with high quality and fitting for the Wotofo Serpent SMM RTA perfectly. If you are looking for the replacement glass tube for your Wotofo Serpent SMM RTA, this is the perfect. The price is for 3pcs with free shipping, and you can also add 2usd for another 3pcs. Check below to see more details.