Any issues with them leaking, I keep reading about clearos leaking, so I've never really looked at them. Also do they last as long as a carto or a VN?
I can only speak from my own experience with the ce3s. I have only used mine to test out juice flavors, 98% of my vaping is done on cartotanks. I've still got the original 5 from a few months ago; granted they get minimal usage. They've never leaked on me, no flooding or dry hits. These are not like the original vision style clearomizers that had issues with leaking. These are more the size of clear cartomizers.
I have meant to get a couple of the Nanos, just haven't had to buy anything else lately to help justify the shipping charges. Being able to fill these without a syringe would be a big plus.
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