Refill Cartridges for CVSAC-2901. Whether the magic of not smoking still eludes you or you simply enjoy smoking our excellent e cigar, sooner or later you will need a some refill cartridges. The e cigar (CVSAC-2901) is the perfect companion for those trying to give up or even people who want to sneakily satisfy cravings when they are in non-smoking areas like air-craft, movie theatres or at a friends house.