Oil-free, Carbon Blades, 9.0kw (60Hz), 3 Phase, 230/400V, Noise Level: 81 dB, Dimensions: 43" x 19.5" x 15.3", One inlet - One outlet, Specifications are subject to change without notice, 60Hz, 300 cubic meters per hour (60Hz), +/- 500mbar, Weight: 687 Lbs