Innokin i sub replacement coils 05 ohmr featuring japanese organic cotton these replacements coils have been designed specifically with the innokin i sub tanks in mind the sub ohm capabilities ensure an intense flavour and equally impressive vapour productionr please note that this product is only compatible with the innokin i sub tank as these coils are designed for a sub ohm device resistance of less than 1 ohm we strongly recommend only using liquid of 6mg nicotine or lower for safety