Nalu RDA by Vaporesso is the latest Rebuild-able Dripping Atomizer by Vaporesso and now it is for sale at VaporizersDistributor.com with best price, see here : Buy Nalu RDA by Vaporesso Supporting single coil build with independent airflow, stable and strong Bigger post holes to accommodate larger gauge Massive drip reserve No dry hits thanks to the chamber windows 510 threading Pyrex Glass Tube bottom airflow system Diameter: 24mm Length:39mm Weight:60g