Oil contaminants, even if microscopic, act as sandpaper on your gearing and bearings. Lubrication oil plays a critical role in compressor performance and longevity of parts. TurboBlend 46 is a uniquely formulated ISO 46 oil with a proprietary blend of additives to provide the specific properties required by MSG? TURBO-AIR? and MSG? compressors to ensure reliable compressor operation.