Special, synthetic polyolester (POE) based refrigeration oils for use with natural CO2 refrigerants. For transcritical and subcritical CO2 applications. Perfectly miscible with CO2. Contain a highly effective additive system to secure antiwear performance and highest ageing resistivity. Approved by leading compressor manufacturers: BITZER, GEA BOCK, GEA GRASSO, DORIN, JCI, MAYEKAWA and others. Fulfill and exceed DIN 51503 KB.RENISO C 85 E is NSF H2 registered.