34 Electronic cigarettes; Oral vaporizers for smokers; Chemical flavorings in liquid form used to refill electronic cigarette cartridges; 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 liquid nicotine solutions; Tobacco substitutes not for medical purposes; Electronic cigarette atomizers sold empty; Electronic cigarette refill cartridges sold empty; Component parts of electronic cigarettes in the nature of tanks for electronic cigarettes, coils for electronic cigarettes, drip tips for electronic cigarettes, filter tips for electronic cigarettes, tank tubes for electronic cigarettes, smokers' mouthpieces for electronic cigarettes, and silicone rings for electronic cigarettes