With this adapter you can use a KOMOS CO2 regulator with a Nitrogen or Argon tank. Not all CO2 Regulators are suitable for use with a Nitrogen tank. Only for use with KOMOS regulator which is a dual gas regulator capable of handling Nitrogen and CO2 gasses.  CGA320 male thread by CGA580 male thread.

Compatible with KOMOS Dual Gauge and Dual Body regulators.