The Hiross 015C is a compressed air precision filter element manufactured by the Italian brand Hiross. It belongs to Class C (0.01 micron filtration accuracy) and is used to remove oil vapor, water mist, and particles with a diameter ≥0.01 μm. Residual oil content is ≤0.003 ppm, and the rated flow rate is approximately 1.5 Nm³/min.