The IJoy Captain Sub-Ohm tank is a 25mm tank system with top fill capability, and has a special groove for heat dissipation, and a new threadless coil system. The Captain Tank can hold up to 4ml of e-liquid and can be filled through the top-fill system with two large fill ports.
Fast Unscrew top refill
No threaded coil head
Gold plated 510-connection
Unique designed CA2 & CA8 coil system more suitable for VG E-liquid