The Air Filter P781399 Cross Reference RS4580 AF25897 11110218 3222188197,Application For Atlas Copco ROC-L6H(Caterpillar C12 eng). ROC-L8. Case IHC Steiger | STX375-2000/01(Cummins 276kW 376hp eng). Steiger | STX425(Cummins 313kW 425hp eng). Steiger | STX450(Cummins 331kW 450hp eng).