The Vandy Vape MESH Replacement Coils (4-Pack) for the SWELL, JACKAROO & TRIDENT Kit are a well-crafted mesh-style heating element to ensure quick, rapid, and even heating within the internal coil structure to properly and effectively vaporize the eJuice.The Coils are a set of threaded coil atomizers, crafted with a mesh-style heating element to ensure quick, rapid, and even heating within the internal coil structure to properly and effectively vaporize the eJuice. Comes in a 0.3 and Single M 0.15ohm and Triple M 0.15ohm  resistance option, in a pack of four (4).