The Lotos Technology AR03 is an Argon CO2 flow meter that is designed for welding. The Lotos AR03 is compatible with welder machines and has an Argon C02 gas gauge regulator. This gas gauge regulator is designed for Lotos machines: MIG140, MIG175, TIG200, TIG160 and TIG200ACDCP BROWN Color CT520D and BROWN Color LTPDC2000D. This Argon regulator is the exact same as the Lotos AR04 except it is an upgraded version. Any Lotos machine which is compatible with AR04 is also compatible with this argon regulator AR03.
CANNOT Compatible with RED Color Lotos LTPDC2000D and CT520D