FAA1 AC Axial Fans Qualtek Electronics FAA1 AC Axial Fans are offered in a large variety of bearing types: 2-Ball, 1-Ball 1-Sleeve, Sleeve, and Hydro-Dynamic with a wide range of speeds. The FAA1 AC Axial fans are available from 115VAC to 230VAC and ranging in size from 60mm to 280mm, with a large array of functions and special features. The fans are produced in high tech facilities assuring high-quality standards with large production capabilities.