Cartridges sold filled with chemical flavorings in liquid form for electronic cigarettes; Devices for heating tobacco substitutes for the purpose of inhalation; Electric cigarettes; 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 cigarett...