iSub KAL BVC Clapton Coils 0.5 ohm The Innokin iSub KAL BVC Clapton Coils - 5 Pack is a pack of five iSub replacement coils for the Innokin iSub Tank with a resistance of 0.5 ohm. Similar to the original iSub coil heads, these KAL BVC coils feature a coil made from Kanthal wire and contain Japanese organic cotton, a premium wicking material, offering great absorption and the best flavour. To achieve the best vapour clouds and taste of your favourite e liquid we suggest that coils should be replaced every 1 to 3 weeks, depending on the frequency of usage.
 
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