The SMOK Vape Pen 22 Glass Tube is the original glass tube made for Vape Pen 22 and Vape Pen 22 Light Edition. Constructed of food-grade Pyrex Glass, The Vape Pen 22 Glass Tube is a handy and practical spare part to refresh your Vape Pen 22. The Glass Tube (4.0ml) is also compatible with Vape Pen Plus
