Compatibility - Eleaf GTiO Tank / Eleaf iJust AIO / Eleaf iJust mini / Eleaf iJust mini Basic / Eleaf iStick Amnis 2. Eleaf GT Coils x 5. The Eleaf GT coils are easy to use and replace. A straight forward push-fit system makes changing coils fast and effective; simply pull out the old coil and push in a new one in order to carry on vaping.