Which oil is used in A/C compressor?

AIR CONDITIONING SYSTEM PAG OIL .

The oil required with R-134A refrigerant is a polyalkylene glycol (PAG) oil.

Open PAG oil containers.

This synthetic oil is very hygroscopic and will quickly absorb moisture that it comes in contact with.

Summary
What oil should i add to the A/C.
Article Name
What oil should i add to the A/C.
Description
The oil required with R-134A refrigerant is a polyalkylene glycol (PAG) oil.
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Publisher Name
Auto A/C Repair LLC.
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