Enjoy endless sessions with the help of the NOVA Tank by Grenco Science. Constructed of high grade, durable materials it is made to last, surviving daily usage. Employing a universal 510 thread, it is compatible with the G Pen NOVA Battery for smooth, refreshing sessions. It doesn’t start there; because of its construction, it provides excellent airflow for an unmatched, unforgettable experience. A essential to every collection, make sure to get the NOVA Tank by Grenco Science today!