Built to withstand rigorous usage in commercial environments, the Sanitaire RESPONSE boasts upgraded, powerful long-life motors and durable plastics, ensuring longevity and reliability. Revolutionize your cleaning routine with Surface Sense Technology, utilizing sonar to detect floor types automatically and optimal brush roll speed adjustments for unparalleled cleaning performance on any surface. | Sanitaire RESPONSE Upright Vacuum, Bagless, Black (SC5900A), Plastic | Quill