Bosch 0 821 303 053 Pneumatic Filter Assy Oil Separator is a Bosch-branded filter assembly for lubricated compressed-air systems, designed to separate oil from the air stream. It serves as an oil separator within the pneumatic filtration stage to protect downstream equipment from oil aerosols and improve air quality. The part number 0 821 303 053 uniquely identifies this specific oil separator filter assembly for Bosch pneumatic applications.
