SMRT Replacements are a collection of 10 pieces of cotton and 10 mesh strips to roll together yourself.
You must own the SMRT Coil in the first place to get the coil base for changing the cotton and the mesh strip.
Just follow the instructions provided and get rolling your coils today!
10 Pieces of cotton and mesh strips per pack
NexM Chill 37w-43w
NexM Extreme 45w-55w
NexM Turbo 37-43w