All Caliburn vapes support Mouth-to-Lung (MTL) vaping style, which means you can take the vapour into your mouth and hold it before inhaling it into your lungs.
Caliburn G series, like Caliburn GK2, Caliburn Tenet and Caliburn & Ironfist L, support restricted Direct to Lung (DTL) meanwhile, which means vapour directly into the lungs without holding it in the mouth first, more like a deep breath.
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