After a lot of trial and error I found a coil I really like for the Carta! These are the same exact size and shape for the same fit, plus they are double insulated to help fix the shorting issue some atomizers were having. These also come with a rebuild jig to make sure the heater is flush with the casing.
The kit comes with 4x replacement heater coils with insulated leads, plus a rebuild jig to make sure the heater stays flush during assembly.
I do have some grommets that fit too, although not exactly the same is OE. if you need some added to your order let me know!