| 120 volt permanently lubricated motor | 7 foot, 3-conductor type SPT power cord | Head oscillates 90* or can be locked in a fixed position | Blades constructed of chemical resistant polypropylene | Powder coated steel front grille and impact resistant rear grille (except tower fan) | 18" pedestal height adjusts 37" - 53-3/4" | 16" pedestal height adjusts 36" - 52" | OSHA compliant and UL Listed | Ideal for workshops, health clubs, stores, classrooms, offices, hospitals and other areas where there is limited floor/table space.