Ester Oil, Pressurized Can, (Case of 12, 4 oz. Cans)
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This one Ester Oil does it all! Can be injected directly into the system like a can of refrigerant. Synthetic Polyol Ester based oil will not separate from R134A at high temperatures. It will mix with all OEM A/C oils in all systems. It is a must for retrofitting R12 systems to R134A.