Koblenz Model U-310 Commercial Vacuum Cleaner Round Belt Single { 1 Belt Only } Part # 12-0814-01-7 Koblenz U-310 Commercial Vacuum Cleaner Round Belt Single Part # 12-0814-01-7 Review Tagged on: Industrial & Scientific Janitorial & Sanitation Supplies Vacuum Belts Vacuums & Floor Cleaning Machines RecordingPetal August 19, 2018November 4, 2018 Vacuum Parts and Accessories No Comments