Vaporesso CASCADE ONE Kit - Cascade Mini Sub-Ohm Tank - 1800mAh Internal Battery - 3.5mL Maximum Juice Capacity - 22mm Diameter. The CASCADE ONE KIT implements a direct output voltage system in which power levels depends on the state of the battery capacity. The Cascade Tank section is expertly crafted with performance and usability in-mind, deploying a unique Isolation Component at the center of the atomizer chamber. This allows for efficient balance of proper e-juice saturation while keeping the atomizer coil fresh and reduces dry hits. Airflow enters the structure through three triangular-shaped airslots located at the base of the tank, easily adjustable for maximal versatility and auxiliary cooling properties. The top-fill design comes with a safety lock mechanism to prevent spillage. Both tank utilizes the highly appraised GT Cores, featuring a 0.3ohm GT CCELL 2 with a power range of 35W to 40W and a 0.18ohm GT MESH catering to flavor-focused experience.