Phoenix Manufacturing 05-007-0035 1/8 HP Evaporative Cooler Motor, 2-Speed, 120-Volt 2-speed motor (1000 RPM and 710 RPM) which allow control for specific comfort levels, 1/8 HP, 120-volt Automatic thermal overload feature protects against overheating - UL-recognized components for safety Motor works in PMI model(s); WH2902, WH2903, WH2904, WH2905, WH2906 and HW28 Corrosion-resistant steel construction for durability and long life. Thermally protected - CCW rotation - class B insulation Made in USA, 1-year warranty