Inovape Explains Vaping. Mouth-To-Lung (MTL) vs Straight-to-lung (STL) Vaping Style.
The latest addition to the Inovape Explains Vaping series, where we look at what the differences are between Mouth-to-Lung (MTL) and Straight-to-lung (STL). These two terms define how you inhale the vape from your device. This is useful to know because it ensures you are buying the right devices and...
