R134a
R134a
It takes R-134a. Good luck.
134 a
It will use R134a Freon..........
A 1998 Mercury would use R134a refrigerant.
R134a
r134a
R134a
R134a
R134a
Was built for R12, should be converted to R134a
For a 1999 Mercury Grand Marquis : ( the engine air filter is Motorcraft FA-1668 )