Coils or you can call it as atomizer heads which are present inside the atomizer. So when you are trying to get the smoke, you need to light up the coils in the right way. By that way, only you can make smoke and can vape it.
But if you look at the coils, then you can see that all there are the number of loops for the vape devices. As per your need and vape device needs, you can put that kind of coil in your device. The names of coils available in the site are Refillable, Standard, Sub-ohm, MTL, and Mesh coils.
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