The OXVA Velocity Unipro Coil/Unipro RBA is best compatible with OXVA Velocity Pod Kit. The OXVA Velocity Unipro Coil has two resistance of 0.15ohm Unipro Mesh Coil/0.3ohm Unipro Mesh Coil. The Unipro RBA is best for easy single coil building. You can install the Unipro series coil in OXVA Velocity Pod.