RPM 4 LP2 Pod using new LP2 coil (Sold Separately) with leak-proof structure. Pods have a large capacity, enough large capacity, which can provide a continuous atomization experience and avoid the frequency of repeated filling e-juice. To fill the pod with e-liquid you first remove the pod from the battery part of the device, then: Lift open the rubber plug in the side of the pod; Fill with the desired e-liquid; Close the rubber plug, and re-fit into the device. 

In addition, the RPM 4 cartridge features an ergonomic mouthpiece with a duck-billed style, allowing for more airflow and inhalation. And it also has a visible window to show the consumption and remaining volume of the e-liquid. The bottom of the RPM 4 Pod includes 4 nice magnets so the pod clicks in with some force into the device. Facilitate the assembly and disassembly of the pod. 

Coils Not Included.