do yourself a favor.. go to Eliquidplanet.com and spend 10 dollars for the low resistant atomizer.. it does not come with a warranty, but mine so far has lasted 3 months.. the vapor it produces it CRAZY!!! trust me you will love it, its made for dripping not cartridges.. but trust me, it is the best investment i have ever made, i had a blue it sucked, i got a volcano MAGMA version it was okay for a week then sucked, got that atomizer and now i love it.. if i could find something more powerful then what i got i would prob get it depending on price, but this is the most powerful e cig i have ever hit.. but i only hit a few