Yihi SX mini SL class Bedienungsanleitung Seite 57

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 evaporator head. Both have a positive effect on producing large quantities of vapor.
Evaporator 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)