Includes 7 quarts of Champion air compressor oil mineral lubricant and 2 pcs filter element Kit is good for one service change on Champion compressor models that utilize the R-70 compressor pumps Air compressor lubricating oil reduces wear and helps prevent carbon buildup resulting in extended valve life 10 micron intake air filter effectively removes 99.9 percent of harmful contaminants which prolongs the life of the air compressor pump