Eleaf EC Dual Vertical Coils Head. Eleaf EC Head Coil 0.3 0.5 OHM. Compatible with the following Eleaf tanks iJust 2 Mini. 0.3Ω Ohm - EC 30W-80W. 0.5Ω Ohm - EC 30W-100W. We have an effective and monitored age verification process provided by VerifyMyAge.