Would this work as a mouth to lung setup on any Smok mod especially the GX2/4 but plenty of Alien, Procolor and GX350 fans would probably be interested as well.
https://www.ecigaretteempire.com/products/smok-micro-tfv4-tank-kit
https://www.ecigaretteempire.com/products/smok-micro-tfv4-tank-kit