Kanger TOPTANK Mini Top-Filling Sub Ohm Tank Color: Stainless Steel Borrowing from the popular design of the Subtank Mini Kanger introduces its state-of-the-art TOPTANK Mini! Kanger's convenient TOPTANK Mini now features a top-fill section to easily refill whenever you run low. Not that the large 4.0mL tank will run low any time soon! The new SSOCC atomizer heads have proven to be a crucial improvement maximizing both flavor and vapor. TOPTANK Mini also comes with a RBA Plus Deck that allows advanced users to build their own coils. Specifications and Features: Dimensions: 63.5mm x 22mm (including Tip and Threads) 510 Threaded 4.0mL eLiquid Capcity Top-Fill Feature Adjustable Airflow Vlave Compatible with new SSOCC Atomizer Heads Includes: (1) KangerTech TOPTANK Mini (1) 0.15ohm Ni200 SSOCC Coil (1) 0.5ohm SSOCC Coil (1) 0.5ohm Clapton SSOCC Coil