Curtis Air Filter Replacement RN24083 1 22400394 IR 15TE20 P This process makes a combination 80447527 IR UP6 15C 2013 15 HP 150 PSIG This process makes a combination of compressed air and oil mist which is then transferred to the separator and sump tank where the mist is removed by filtration leaving you with the pure compressed air you desire The correct selection and use of oil filters will prevent long term problems with your Sullair compressor system and save you substantially in down time and system component replacement costs over the life of your Sullair air compressor system who know compressors and are ready to help We're compressor experts who can provide personalized guidance and reliable support