Nautilus 5pc Pack Replaycement Vertical Dual Coil BVC Unit from Aspire
They are fit for 5 ml Nautilus and 2 ml Nautilus mini.
This resistance is availible,
You buy 5 pc Nautilus Vertical Dual Coil Units
The coil unit can be easily screwed on and screwed off, so that customers could replace the coil unit by themselves when it's burnt out or needs clean. Simply screw the bottom part from cartomizer, remove the old coil unit from the bottom base, replace with new one!