I just got mine yesterday as well. At this point I am really impressed with the flavor and vapor I am getting from these.
Capacity: Using a Syringe and allowing for an hour to soak through I am getting a solid 2 mils into them. I am hoping that some of these have more filling than others and I may find that some hold even more juice. Since they are holding about double what my standard 510 cartos hold I am thrilled with the capacity.
Filling: The easiest way to fill these the first time is with a syringe. I did notice on my first one that the liquid runs out the bottom and the air holes very easy when filling. Inserting a plug from a regular 510 carto and putting a tiny "O" ring (like the ones on the 510 drip tips) at the very top of the threads to block the air holes helps fix this problem.
Threads: The threads on these seem to be very clean and smooth. I have had no trouble screwing these into anything. Even my Darwins are smooth.
Draw: The draw on the ones I have used so far have been perfect. Not too tight not too airy. I did have 2 that the little center tube was pulled out above the filler. I was able to use a pair of tweezers to push it back down into place pretty easily.
Flavor/Vapor: These seem to produce even better flavor than my regular cartos. I am not really an atty fan, so not sure how they will compare there. The vapor is vastly improved over standard cartos. These are running at 2.5 ohms and I am vaping them at roughly 5 volts. This is producing much better vapor than my standard 3.5 ohm cartos running at 6 volts.
Refilling: These are no harder to refill than any other carto. In fact, they are a bit easier due to the larger diameter. I will say this though, if you don't want to deal with a plug and the "O" ring for the air holes you should refill these with the thread end in a 6 mil empty juice bottle. This way you will catch any juice that leaks out. I have only refilled mine once so far with no problems or diminished flavor or vapor. Time will tell how they hold up with multiple refills and cleaning.
Overall impression: I really like these. I just placed an order for some more. With at least a 2 mil capacity there is no reason even a heavy vapor can't get all day out of just a couple. Much less vaping gear needed for a day at work.
Capacity: Using a Syringe and allowing for an hour to soak through I am getting a solid 2 mils into them. I am hoping that some of these have more filling than others and I may find that some hold even more juice. Since they are holding about double what my standard 510 cartos hold I am thrilled with the capacity.
Filling: The easiest way to fill these the first time is with a syringe. I did notice on my first one that the liquid runs out the bottom and the air holes very easy when filling. Inserting a plug from a regular 510 carto and putting a tiny "O" ring (like the ones on the 510 drip tips) at the very top of the threads to block the air holes helps fix this problem.
Threads: The threads on these seem to be very clean and smooth. I have had no trouble screwing these into anything. Even my Darwins are smooth.
Draw: The draw on the ones I have used so far have been perfect. Not too tight not too airy. I did have 2 that the little center tube was pulled out above the filler. I was able to use a pair of tweezers to push it back down into place pretty easily.
Flavor/Vapor: These seem to produce even better flavor than my regular cartos. I am not really an atty fan, so not sure how they will compare there. The vapor is vastly improved over standard cartos. These are running at 2.5 ohms and I am vaping them at roughly 5 volts. This is producing much better vapor than my standard 3.5 ohm cartos running at 6 volts.
Refilling: These are no harder to refill than any other carto. In fact, they are a bit easier due to the larger diameter. I will say this though, if you don't want to deal with a plug and the "O" ring for the air holes you should refill these with the thread end in a 6 mil empty juice bottle. This way you will catch any juice that leaks out. I have only refilled mine once so far with no problems or diminished flavor or vapor. Time will tell how they hold up with multiple refills and cleaning.
Overall impression: I really like these. I just placed an order for some more. With at least a 2 mil capacity there is no reason even a heavy vapor can't get all day out of just a couple. Much less vaping gear needed for a day at work.