Sanitaire

Finally, a lightweight upright that is really made for commercial use. Sanitaire's new UL listed Lightweight Dual Motor, model SC785, weighs just under 14 pounds and has an easy to store handle that folds down from 45.5 inches to just 28.5 inches.
The Lightweight Dual Motor has a two-motor bypass system with carpet and bare floor settings and a 30-foot cord. With on-board tools, an all bristle brush roll and a 12-inch cleaning path, this Sanitaire provides top commercial performance in tight spaces.
Features like the performance indicator that signals when the bag needs to be changed and Micron Filtration with a double walled bag and two filters to trap dust and other allergens combine for tremendous commercial cleaning power in a lightweight design.

US Warranty: 1 year parts, 90 days labor on defects in materials and workmanship.
Non-US Warranty: 30 days parts and labor

Sanitaire SC785AT Commercial Upright 2-Motor Lightweight Vacuum Cleaner