... , inner-compress flow, can produce high quality medical oxygen. It have small volume, occupied small area, the user needn’t cooling water and ... ,Rectification Column 1 set ,Refrigerator 1 set , Liquid Oxygen Pump 1 set,Filling Unit 1 set,Connecting pipe 1 set,Low-voltage ... Distributor 1 set,Molecular sieve 1 set, Spare parts 1 set KDON50 small size oxygen ...