It`s on the tag on the outdoor unit.
Reuben Trane goes by Ruby.
R134a
R134a.
R12
R134a
dex-cool Dex-cool is anitfreeze which goes in the radiator and cooling system. As for Freon which goes in the air conditioning system, the 97 Volvo uses R134A Freon.
32 ounces of freon for all three engine sizes......
It will depend on the make, model and year of the refrigerator that you are working on........
134
R-134
R134a
R134a