2.8ml e - liquid capacity clearomizer. these 2 cartridges are to be adapted exclusively on nevoks feelin electronic cigarettes.. . mark. nevoks. . features. suitable for: nevoks feelin electronic cigarette (for sale on this site). capacity: 2.8ml. . filling the cartridge. remove the battery cartridge. lift the silicone cover on the side of the cartridge. fill with e - liquid through the filling hole. close the silicone cover. reinstall the cartridge on the battery