Here is my quick review/rant on Kanger horizontal coil cartos. They only last about 4 fills but I like them because I get nice saturated vape from them. I use them to go out and when I'm out I want something small and good tasting. But here is the thing. It used to be that every now and than there was a carto that smelled like burning plastic so I just chucked those. But recently I've ordered a bunch from two different vendors and just about every second one tastes like vaping on burning tire. So I opened few to see what's up and found that when Kanger stuffs the filler inside, few of the hair are touching the coil making them melt and stink like hell. So I'm pissed of with Kanger quality control. Yes I tried Boges but they burn even more, just don't smell so bad and I don't wanna vape anything that burns plastic. So conclusion? Great taste, sht quality. I won't be getting them anymore.