The Innokin iSub Clapton Coil is great coil option for fans of the iSub tank series and is compatible with all tanks in the series including the Apex. Clapton coils consist of a base wire, with a thinner gauge of wire wrapped around it, allowing for a greater surface area and improved vapour and flavour production.
Innokin's iSub Clapton Coils are available in 0.5ohm and are compatible with the following Innokin tanks;
Innokin iSub G
Innokin iSub S
Innokin iSub V