The Joyetech Riftcore Duo RTA is a 3.5ml rebuildable tank atomizer that is designed with an innovative coil-less build deck with two quick-heating vertical RFC Mesh chip heating elements. The Riftcore Duo's mesh heating elements are secured via vertical hex screws that holds the cotton in place which results in a even distributed vape. The RFC RDA is self-cleaning; just dry firing will rid of any carbon deposits. From Joyetech itself, they state the RFC deck a extended life span of 1 million puffs. To finish off, the Joyetech Riftcore Duo features a retractable top-fill cap, triple bottom airfow, and cobra resin drip tip.