Turn all of your compatible 21700 Purge Mods into a series tube mod with this 21700 extension! These extensions will fit on mods like, V4 and Viper mod.

21700 Stack tube Contents:

  • 1 x 21700 Stack tube

Mechanical Mods and Rebuildable Atomizers are for advanced users only. Not for a beginner or average vapers with no knowledge of Ohms Law or how to use a multimeter or ohmmeter to check for the resistance or for shorts in their coil builds. These materials cannot be safely used by the inexperienced user or those without basic knowledge of how electronics function. Please ensure proper precautions are taken when using these devices as to not cause damage and/or harm to the battery, mechanical mod, atomizer or yourself and others. Superior Vapourr LTD will not be held liable or responsible for any damage caused by misuse or mishandling of these advanced vaping products and devices. Mechanical Mods and Rebuildable Atomizers are advanced user products. Use at your own risk.


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