The Vivi Nova Tank is designed to be used with any e-liquids (e-juice) and features an interchangeable atomizer head. The advanced construction of the Vivi Nova tank allows for robust vapor production and the large tank size allows for up to 3.5ml of juice. This particular kit comes with 3 atomizer heads (all of which have 3 longs wicks attached) and features 510 threading. Note: Compatible with most 510 batteries. Battery Sold Separately.