... combined with high-density filter cloth, each end of the installation of a non-reflux valve can reverse Impurities, to the role ... ,reduce wear of the desiccantHigh moisture and acid removal capacityDrying and filtering effect of combining, both ends of the installation of a non-reflux ... In order to facilitate welding, ODF adoption of TP2 copper reserve.For a variety of refrigerant R-12, R-134a, R-22 ...