"Hiross 150C" typically refers to the 150 series C-type precision filter element in Hiross compressed air systems from Italy. The "C" indicates activated carbon for oil and odor removal, with a filtration accuracy of approximately 0.01μm.
The Hiross 150C is a standard-size (approximately 150mm threaded interface) activated carbon precision filter element used for compressed air aftertreatment, compatible with refrigerated dryers or duct systems. It belongs to the "QPSC" series, specifically the C-type (oil/odor removal) model. Common alternatives include the 150C and 035C. It is not a vehicle-mounted system.