The Caliburn G2 Pod Kit comes with an e-juice check window and a pre-installed meshed-H 1.2ohm coil. In addition, it is also compatible with the 1.0ohm and 0.8ohm coil options from the Caliburn G model. 1.2ohm and 0.8ohm are provided in the package to provide you MTL and restricted DTL vaping options.