You must be over 18 to purchase this product. We have an effective and monitored age verification process provided by VerifyMyAge. We will not sell to persons that do not meet the age restrictions for this product and by continuing with this purchase you hereby consent to the processing of your personal data for age verification purposes. Authentic Innokin ISUB Coils The Innokin iSub vape coils are designed to be used with the iSub vape tank series, including the Innokin iSub vape tank and the Innokin iSub G vape tank. The high-quality vape coils feature Innokin's signature 'no spill coil swap system', meaning due to the iSub coil's built-in 510 pin, by simply unscrewing the base of your tank you can pull the coil straight out and replace it.