Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
This schematic depicts a disposable e-cigarette. Electronic cigarettes with refillable or replaceable cartridges typically have the cartridge on the end of the e-cigarette with the heating vapor coil. LED indicates light-emitting diode. Adapted from Wollscheid and Kremzner.3
