1 gallon of Chemlube 751 Synthetic Compressor oil.

Chemlube 751 is approved by Bauer and most major compressor manufacturers.
Chemlube is a diester based oil with a 520 degree F flash point that results in
low carbon formation, prolonging the life of your compressor rings and valves.

Chemlube 751 is the top choice for breathing air compressors.