Inside a Cartridge — Coils, Wicks and Ceramic

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2026-09-14 09:26:33 -

Cartridges look interchangeable. A glass tank, a metal base, a mouthpiece. Inside, the heating assembly varies enough to change how the same oil performs. The two dominant designs Older cartridges use a wrapped wire coil around a silica or cotton wick. Newer ones use a porous ceramic element that acts as both wick and heater. Both work; they fail differently. Wick designs are cheap and...

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