Anderol has been in business for more than 70 years. They are a division of Chemtura, a specialty chemical company. We have equivalent products that meet the standards that customers of Anderol have come to expect. Any oil used in your air compressions system that meets the minimum specifications can be used without voiding the standard warranty on your unit as the manufacturers allude to at times. We at U.S. Compressor feel confident you will see the long lasting performance of our lines of lubrication.