OBS ace is newest sub ohm tank, the new tank made of stainless steel and pyrex glass, three different colors avaliable, the diameter of new OBS tank is 22mm, can hold 4.5ml e juice, with top refill design, no leaking worry. easy juice flows control by turning the glass tube, the OBS ace sub ohm tank with the newest innovative ceramic coil(ICC), longer lifespan other organic cotton coils, no burning smell. airflow control slots on top and bottom, vapers can control airflow easily.
