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. iSub - 0.2Ω. iSub G Tank. iSub - 0.5Ω. iSub - 2.0Ω 10-25W Round wire coil for good flavour and subtle.