Dayton 6k394j 6k394j Whole House Industrial Fan removes hot, humid air through the attic and draws in cooler outside air. Horizontal mount this industrial fan is hp1/2 - hp1/4,115 votls, 1725-1140 RPM, Amps 8.6- 6.0, Duty Continuous, unit PF-3013, CAT NO. F35036 Thermally protected motor.