BlueSky Alto Syn PAO 46 is a synthetic air compressor lubricant formulated with a high performance additive package. Alto refers to a series of BlueSky Lubricants designed for exceptional performance in most compressor, blower and vacuum pump applications. Syn PAO refers to synthetic air compressor lubricants formulated with the highest quality polyalphaolefin (PAO) base fluids. PAO oils are designed to meet the requirements of modern higher output, more efficient air compressors. 46 represents the thickness of the oil which is an International Standards Organization Viscosity Grade (ISO VG) 46.
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