Skip to main content
. Author manuscript; available in PMC: 2020 Nov 1.
Published in final edited form as: Expert Opin Drug Deliv. 2019 Sep 13;16(11):1193–1203. doi: 10.1080/17425247.2019.1665647

Figure 1.

Figure 1.

E-Cigarette Generations. (A) First generation devices (“cig-a-likes”). (B) Second generation devices. (C) Third generation devices (“mods”). (D) Pod-based systems (on the left is the JUUL, and on the right is the Sourin Drop)