Designed for SMOK SCAR P3 Pod Mod Kit, SMOK RPM 2 Empty Pod Cartridge arrive in a pack of three and is empty. These empty cartridges accommodate 7ml eLiquid, RPM 2/RPM Coils, which are sold separately. With suitable construction design and features like an e-Juice viewing window, side filling system, and bottom press-fit coil installation, SMOK RPM 2 replacement pod cartridges are easy to use. Magnetic connection holds the pod fixed and ensures safety.