520 Tank V2 (Boro) - CTHULHU MOD The 520 Tank V2 from CTHULHU is the newest boro tank from the masterminds behind the original 520 Tank. The 520 Tank V2 comes as a RBA tank, but it also includes a coil bridge adapter to use PNP or Nautilus BVC coils. Included with the 520 Tank V2 is a front fill Boro tank section, two base types, a Boro RBA with multiple airflow pins, a PNP adapter, a Nautilus adapter, a 510 adapter, and a pack of spare parts. For your boro device or CTHULHU AIO One 520 V2 kit = 520 RBA V2 + standard boro tank + PNP coil tank 520 Tank 2 comes with new DL & RDL building deck.The Largest airflow boro RBA on the marketWe...