Uwell Valyrian II Pro Glass Tube is only suitable for Uwell Valyrian II Pro Tank. This is a well-constructed, durable replacement glass tube that was specially designed to be compatible with this iconic vape tank. Are you worried about scraping or damaging the glass tube of the tank? With Valyrian II Pro glass tube replacement parts, you will have no worries. If the real tank glass breaks, you can use it to repair the Uwell Valyrian II Tank cost-effectively. Just screw loosen the atomizer and insert a new glass tube. One piece per pack.