It’s a nifty little 510 Adapter made specifically for the SMOK RPM40 Kit, which enables you to place it on top of your device and attach any standard tank to the 510 connection, turning your Smok RPM40 into a regular mod so you can use whatever tank you prefer with it.
At this price, it’s a steal and ideal if you plan on using an RDA/RTA on top or a tiny sub-ohm tank.
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