The new Eleaf ECR Coil (atomizer head) is for the Eleaf Melo, ELeaf iJust 2. The new Eleaf ECR Coil is a rebuildable atomizer head, and includes everything you need to start making your own coil. The Eleaf ECR Coil also comes with a prebuild coil at around 1.0 ohm to get you started right away.