AC Air Filter (Twin Set) Working Medium: Air; Ensures Pressure Resistance: 1.5Mpa (15.3kgf/cm²); Maximum Operating Pressure: 1.0Mpa (10.2kgf/cm²); Environmental Temperature: 5~60℃; Filter Hole Size: 5 µM; Recommended Lubricating Oil: Turbine Oil No. 1 (ISO VG32); Pressure Regulation Range: 0.05~0.85Mpa