The Hiross 150Q is a Class Q precision filter element for compressed air systems from the Italian brand HIROSS. It has a nominal diameter of 150 mm and a filtration accuracy of approximately 5 microns, used to remove liquid water, oil droplets, and solid particles ≥5 μm from compressed air.
Model designation: 150 indicates the inlet diameter (approximately 1.5 inches), and Q represents Class Q filtration (5 μm, residual oil approximately 5 ppmw).