I prefer Ikenvape carto, but their stock levels fluctuate wildly, so sometimes you just can't them when you want them. I monitor their thread on here to know when stock is in, then I buy 20 or 30 of them.
I like their Punched V2 series. 2 large 3mm holes. They recently came out with a slotted version that worked well too.
When I can't get those I use the Boge either with the one large hole or slotted.
My experience with Smoktech cartos has not been great so I stay away from them
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