The new vertical coils from Kanger can handle higher wattage than the previous horizontal coils. The new coil will fit the Kanger Subtank, Subtank Mini, Subtank plus, and the Subtank Nano. The durable, patented head comes in 0.2Ω kanthal, 0.5Ω kanthal, 1.2Ω kanthal, 1.5Ω kanthal, 0.15Ω Nickel and 0.5Ω Clapton. Organic cotton is used to produce better flavor. Please prime your coils prior to use.