These are the new Aspire Nautilus BVC Cotton Coils to use with the Aspire Nautilus, the Aspire Nautilus Mini, the Nautilus 2S and the Nautilus AIO. With the recent release of the Nautilus AIO and the Nautilus 2S, Aspire also released a new 0.4 Ω coil for restricted direct to lung vaping, a 0.7 Ω Mesh coil, and a 1.8 Ω optimized for Nic Salts liquids (High Nicotine concentration). The Aspire Nautilus BVC Cotton Coils use Organic Cotton and feature new larger wicking holes. They are designed to provide the purest and cleanest flavor from all eLiquids. The Aspire Nautilus BVC Cotton Coils are the newer model of Aspire Nautilus Coils, they are "Bottom Vertical Coil" design and perform even better than the original Aspire Nautilus Coils.