The TOPTANK Mini is the upgraded version of the ever popular Subtank Mini. The TOPTANK Mini now offers a top-fill option for easy e-liquid refills. The TOPTANK Mini also now supports the new SSOCC atomizer heads which allows for more airflow, vapor, and flavor. The Kanger Mini RBA Plus Deck is also included for advanced users who like to build their own coils. Please note, (1) 0.15ohm Ni200 SSOCC atomizer head for temperature control devices is pre-installed.