The Vaporesso GEN 220W Starter Kit is a high-powered vaping system equipped with a comprehensive temperature control suite, embedded with the new AXON Chipset and is paired with the flawless SKRR-S Sub-Ohm Tank or the NRG-S Tank to create a cloud-chucking vaping monster that will satisfy any level of vaper. GEN S Edition – Paired with NRG-S Tank, compatible with GT Coils and similar structures. ORIGINAL Edition – Paired with SKRR-S Tank, only compatible with QF Coils Quick Links: Vaporesso NRG GT Coils Vaporesso QF Coils .The Vaporesso GEN / GEN S has been discontinued so out of stock colors cannot be restocked. Be sure to check the new Vaporesso GEN 200 .