Features and Benefits: • Only USA manufacturer of continuous-duty, high-output/low-frequency industrial vibrators guaranteed for 3 years • Engineered for continuous duty • C4 clearance roller bearings • Dust-tight, water-tight: O-ring seals and machined surfaces provide an IP 66 enclosure rating to protect against the entry of dust and water • Fast delivery from domestic manufacturer of any electrical rating • Drives are fully interchangeable with other major manufacturers • Worldwide tech support and service