uwell WHIRL TANK Bedienungsanleitung Seite 43

UWELL Whirl – Notes & Precautions
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Sub-Ohm Vaping (Direct Lung Inhalation)
While puffing, the vapor of an e-cigarette is directly inhaled into the lungs. This
puffing technique is referred to as sub-ohm vaping with direct lung inhalation.
To achieve this, there must be low puffing resistance and a strong air supply
to the atomizer head. Both have a positive effect on producing large
quantities of vapor. Atomizer heads that support this puffing technique in
the sub-ohm range (resistance usually < 1 ohm) are often referred to as DL
(direct lung) heads. (other abbreviations include DTL and D2L)