The Aspire Atlantis Dual-Coil Atomizer Heads are known for producing immense vapor clouds and extremely flavorful hits. The 0.3 Sub Ohm coils are compatible with 70W-80W of output. The 0.5 Sub Ohm coils are compatible with 20W – 30W of output. Both of which allow for an intense and enjoyable vaping experience. The 1.0 Ohm coils are for those looking for a more traditional vaping experience, but all resistances maintain exceptional vapor production. All resistances of these latest coils are made with pure Organic Cotton for the best vaping experience possible.