Authentic SMOK TFV12 Prince Replacement Bubble Glass KitDesigned for the TFV12 Prince tank, the SMOK Bulb Pyrex Glass Tube is right here for you! It has a massive capacity of 8ml for large e-juice storage. Made of Pyrex glass, it is durable and safe in vaping.Includes:1 - 8ml Bubble glass tube1 - O-Ring set