This is a 3 pack of Smok RPM160 Replacement Mesh Coils. These are designed for the Smok RPM160 Dual 18650 Pod Mod Kit, and have a resistance of 0.15ohm. These direct lung coils operate best at 80W. The honeycomb-structured mesh coils are made of nickel-chrome and consist of multiple structurally stable hexagons that allow for quick and even heating. Every drop of eliquid is thoroughly heated through the small holes for high quality vapor and and ideal flavour production.