The SSOCC Atomizer Heads are manufactured with 100% Japanese Organic Cotton as the wicking material. Organic cotton is exponentially superior to standard cotton since it contains zero traces of bleach and other impurities. This results in a far cleaner and more pure taste from your liquids, and greatly improves your vaping experience. Resistance: 0.5 ohm. Wattage Range: 15 – 30W. Sold in 5 packs.