Electronic cigarette atomizers sold empty; Electronic cigarette liquid (e-liquid) comprised of flavorings in liquid form, other than essential oils, used to refill electronic cigarette cartridges; Electronic cigarette liquid (e-liquid) comprised of propylene glycol; Electronic cigarette liquid (e-liquid) comprised of vegetable glycerin; Electronic cigarette refill cartridges sold empty; Electronic cigarettes and oral vaporizers for smokers; Hookahs; Cartomizers, namely, combination electronic cigarette refill cartridges sold empty and atomizers, sold as a component of electronic cigarettes; Cartridges sold filled with chemical flavorings in liquid form for electronic cigarettes; Cartridges sold filled with propylene glycol for electronic cigarettes; Cartridges sold filled with vegetable glycerin for electronic cigarettes; Chemical flavorings in liquid form used to refill electronic cigarette cartridges; Electric cigarettes; Electronic cigarettes; Electronic cigarettes for use as an alternative to traditional cigarettes; Electronic hookahs; Flavorings, other than essential oils, for use in electronic cigarettes; Flavourings, other than essential oils, for use in electronic cigarettes; Liquid nicotine solutions for use in electronic cigarettes; Mechanical electronic cigarettes