These Sense Blazer Mini replacement cores are said to have excellent vapor production with exquisite flavor. There are four options: you may opt for the 0.6ohm or 0.4ohm editions that have a range of 50 to 100 watts. Getet the 0.2ohm one that fires from 50 to 80 watts. Or, pick up the 1.8ohm coil that fires from 15 – 40 watts. All editions have a vertically oriented coil configuration, are built with auxiliary wicking slots and are made with Japanese organic cotton for flavor production and a healthy experience.