The Mission XV KB2 RBA has been engineered to fit a Boro Tank or DotTank and comes with 7 different Airflow options. The KB2 Nut helps secure your KB2, reduces connectivity problems, and allows you to swap airflow options on the fly. It comes as default to fit a Boro Tank.

Note: You need the KB2 RBA DotBoro Conversion Kit to use the KB2 RBA in a DotAIO Device.