Aspire Nautilus Tank is not noly fantastic in functions and relatively cheap, compared with other tanks in the same level, also safe in use because this tank actually can not stand high power output, that means you should not fire your nautilus with high wattage. Moreover, the variable voltage box mods are recommended to match with Nautilus Tank for better safety protection. So that means vaping on Aspire Nautilus will get rid of many concerns you may have on other tanks. Suggest getting the premium stuff on official authorized website!