510 cartridges are the most common type of vapor cartridge available. The "510" refers to the threading at the base - 10 threads at .5mm spacing. Each cartridge contains a ceramic coil that absorbs cannabis oil from the reservior and vaporizes it upon heating.
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mode works with 510 cartridges that are:
 - 11mm or less in diameter
- 500mg and 1g in volume
- Bottom airflow