A mouth-to-lung or MTL vape means that you inhale the vapor into your mouth and breathe it to your lungs, and this pod mod system is popular with smokers trying o quit smoking cigarettes to vaping.

Vape Mod Kits are ideal for users who want a customizable ... The main vaping styles are mouth-to-lung (MTL) and direct-to-lung (DTL). MTL mimics the sensation of smoking by drawing vapor into ...