New Version 2.0 Quartz Pulsar Rok Coil! The new improved Pulsar RöK (wax atomizers) Replacement Pulsar Rok Quartz Coils V2 (version 2.0) have an increased surfaced area which will produce bigger clouds. It heats evenly and heats faster compared to the original coil. Features: For the Pulsar Rok Vaporizer Erig (All Colors) Quartz Coil-less technology Easy-to-clean quartz bucket How to clean: Let the atomizer cool down and use isopropyl alcohol with a cotton bud to clean out the cup.