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Benefits of an Open System: You get to pick your own e-liquid flavours and even mix them yourself If you are using a tank, youll be able to go longer without having to refill Price-per-puff is almost always lower and generally offers higher performance Drawbacks of an Open System: You have to take the time and effort to refill e-liquid yourself The devices used are usually bulkier and dont look like what you are used to Initial costs are almost always higher than that of a closed system Those are the basics of the open versus closed systems of vaping

March 17, 2026

Morris GF, Danchuk S, Wang Y, Xu B, Rando RJ, Brody AR, Shan B, Sullivan DE

11 No studies exploring illicit tobacco were included in the synthesis review, but recent research, using Euromonitor data, suggests that there was no increase in smokers being offered illicit cigarettes in the UK or France