These work great in my Suorin mod.
Good coils don't leak
Sourin Elite replacement coils
The .4 coils are good. The flavor is there, but not as good as the other brand I have with a different pod. comparing it with the 1.0 coil, The .4 coil is better flavor wise. The 1.0 coil is good for when you need to vape in areas where it's not allowed. Not as much of a cloud when you exhale in public areas where you need a fix and less chance of being seen.