Argon gas purification machine JB Type Argon gas purification machine CharacteristicsThe new CZA-4C, CZA-4B and CZA-4N ... Common bottled pure argon, liquid argon or better tube argon;High catalytic activity, huge adsorption quantity, low working temperature, efficient ... least valve among the same level , operating easily.The machine belongs to one-time investment, without consumables at using (except ...