Goblin RBA 4.2mL Tank Upgrade Kit by UD
Looking for an easy way to get more out of your Youde Goblin RBA? Look no further than this official upgrade kit. In the kit is a 4.2mL tank made of thick Pyrex glass, along with an extended chimney that accommodates the larger tank. Together, they add an extra 1.2mL to your Goblin RBA's capacity, meaning you'll be spending less time filling and more time vaping.