Aspire PockeX Replacement Coils (5-Pack) These replacement coils are exclusively designed for the Aspire PockeX AIO device. They are available in 0.6Ω and 1.2Ω resistances and sold in packs of five. Aspire PockeX atomizers are patterned after the Nautilus X which uses Aspire's revolutionary U-Tech coiltechnology.