The AmerVane VI high velocity weather louver is a heavy-duty, high efficiency, moisture eliminator. Ultra-low operating pressure drop makes the AmerVane VI a truly cost-effective, first-stage separator to any intake filter system. It provides excellent free moisture removal at velocities up to 1,000 FPM. The AmerVane VI is ideal for use in engine and compressor applications that require highly efficient moisture removal, with a minimum pressure loss.