This filter drier core is used to remove acid and moisture from refrigerant being removed from vehicle a/c system. Acid and moisture can damage compressors and contaminate oil.
For Models:
AR200 (Mach 1)
AR212 (Mach 1)
AR300 (Mach 2)
AR312 (Mach 2)
AR400 (Mach 2)
All parts warranteed for 90 days from purchase date