... purge feature 1) Recover all commonly used refrigerant (CFC,HCFC,HFC),including R410a 2) 1/2HP oil-less ... used to purge The moisture, contaminants and excess refrigerant from the system after each use7) Heavy duty ... design makes it easy to carry and use. Refrigerant Cat III:R12,R134a,R410c,R406a,R500Cat IV: ... R509Cat V: R402A,R404A,R407A,R407B,R410A,R507 Refrigerant Recovery Rate Cat III Cat IV Cat V ...