OCC or "Organic Cotton Coils" are replacement heads for the Kanger Subtank, Subtank Mini, and Subtank Nano. They use Kanthal wire wrapped around organic cotton wick. Two 3mm wick holes allow even the thickest liquid to keep up with chain vaping.
The 0.5Ω coil is recommended for use between 15W and 30W, while the 1.2Ω coil is recommended for use between 12W and 25W.
Kanger OCC Replacement Coils are packaged and sold in increments of 5.