MTL vs DTL Vape Kits Explained | Mouth to Lung vs Direct to LungUnderstanding MTL vs DTL vape kits starts with knowing how their airflow systems, coils and device configurations differ. Our UK guide explores the main characteristics of mouth-to-lung and direct-to-lung devices, including coil resistance, wattage ranges, airflow adjustments and e-liquid VG/PG ratios. Discover why MTL devices commonly feature tighter airflow and higher-resistance coils, while DTL systems generally use more open airflow and lower-resistance coils. Explore the key technical differences in one comprehensive guide.https://theecig.co.uk/blogs/vape-guides/do-vapes-go-out-of-date