The CE2 version4 I believe is the one you want or maybe its 5 but the one with the thicker rope like wicks, not the clearomizer.! they come in steel still and are available at a variety of vendors, make sure to ask though if they have the thicker rope like wicks they seem to be better then the older thin wicks but some suppliers have been pushing the older thin wicks still to get rid of them, so just make sure of what your getting