Sanitaire Commercial by Electrolux introduces the optimized SC9050B commercial upright vacuum designed to handle the demanding commercial cleaning environment with ease. Built for hotels, schools, hospitals and office buildings, the SC9050B features a more durable design in a lightweight, easy-to-maneuver frame. The vacuum frame is made of magnesium, a resilient metal that is 75 percent lighter than steel and 33 percent lighter than aluminum. The SC9050B, which earned Seal of Approval (SOA) certification from the Carpet and Rug Institute (CRI), features a quick change power cord and belt that can be replaced without using any tools. Plus, many parts, including the motor, brushroll and belt, are interchangeable with other Sanitaire models.