iSub – Plex3D Coils Next Generation 3D Mesh Coil Technology Plex3D Pattern with ‘Micro-Grooves’ Boosts Flavors. Ultra-Rapid Heat-up and Cool-down Extends Coil Life. High Efficiency Coil Power Flow. Organic Cotton and Wood-Pulp Wicking. 30 – 55 Wattage Range (0.35Ω KAL) Plex3D Coil is Compatible with Innokin iSub Tanks.