0.8 Mesh coil (harder hit/takes more battery life)
1.2 Mesh coil (softer hit/saves some battery life in comparison to the .8)

Both have:
-Clamshell Top Filling: It’s extremely easy to refill your e-juice with the clamshell top filling style, only one hand required, and it’s mess-free.
*PTF filling system for CRC version
-PCTG material: With PCTG material makes the pod eco-friendly, and equipping a quadruple leak-proof design.
-Holds up to 2mls