Crafted for ultimate convenience, this advanced vape kit seamlessly blends style, technology, and functionality into one user-friendly device. ELFBAR ELFX Pro Classic Edition Kit Designed with versatility in mind, the ELFX Pro Classic Edition supports MTL (Mouth-to-Lung), RDTL (Restricted Direct-to-Lung), and DTL (Direct-to-Lung) vaping styles, making it suitable for a wide range of vapers.