The Aspire Nautilus AIO Pod features a refillable pod design, and a large 4.5ml capacity. The Aspire Nautilus AIO kit is designed for a Salt or Freebase Nicotine hit. The Aspire Nautilus AIO uses a 1.8ohm coil head pre-installed inside the Pod, giving you a satisfying, all-day-friendly unit, that will surely satisfy nicotine cravings and wallets alike.