When upon inhaling no vapour is produced and the liquid in the cartridge is dry, it’s time to replace your E cigarette cartridge; or in other words get a refill. E cigarette cartridges are available at e cigarette web, UK in many flavours including tobacco and menthol and in 4 different strengths, encompassing – no nicotine, low nicotine, medium nicotine and high nicotine. So, if you are looking for electronic cigarette cartridges explore the flavours offered by us. Choose from Super Cartridges to Mini Cartridges as per your smoking needs and continue on the ‘smart smoking’ path.