The Kumiho A7 Rebuildable Dripping Atomizer is highly recommended to advanced users.
It is designed for dripping and has great flavor and vapor production utilizing a single coil masked with 3 individual wicks.
This A7 RDA comes fully assembled with a 1.8 ohm coil and a stainless 510 drip tip.
You can use most 510 style drips tip on the Kumiho A7.
The air is drawn from the bottom (not the side) of the 510 connection similar to most standard atomizers in the market today.
If you see that your unit will not fire then you will need to adjust the center pin outwards to make a solid contact.
The A7 RDA has a standard 510 connection, which can fit most devices with 510 threading.