The Vapefly FreeCore G Series coils have been developed for use with the Galaxies Kit and the Galaxies Air tank, currently available in two resistances G-1 which is 0.8ohm and is great for flavour aswell as vapour production, this coil offers a restrive direct to lung (RDTL) Vape whereass the G-2 1.2ohm Coil is alot smoother still producing amazing flavour but is more aimed at a mouth to lung (MTL) style vape.