Rectorseal 45004 4-Ounce Bottle Acid-Away Compressor Burnout Neutralizer Helps prevent compressor burnout It is a safe and easy to use treatment for both hermetic and semi-hermetic compressors of virtually any size Eliminates costly multiple oil changes performed to dilute the acid content of the refrigeration oil Can be used to treat recovery, recycling and reclaiming units in order to protect them from attack caused by acid fouled refrigerants and oils Eliminates costly multiple oil changes performed to dilute the acid content of the refrigeration oil