Keeps recovery arid recycling unit operating at peak efficiency with a convenient maintenance kit. Contains one Quick Change filter-drier to be used on both R-12 and R-134a stations, and one 16 ounce bottle of our Premium High Vacuum Pump Oil.
 
 
   

  42140
   

Maintenance Kit for models using 34724
Filter-Drier (17700A, 17700-2K, 34700, 34700-2K, 34800, 34800-2K, 34900 Series
 
 
   

  42130
   

Maintenance Kit for early models using 34430
Filter-Drier (17700A.34700 34300-2K)