Keep your property's vacuums running efficiently by replacing the bags. Green Klean® High Filtration Micron Replacement Vacuum Bags fit Royal uprights taking type B bag and Hoover C1320. Includes 10 packs of 10 per case. Green Klean® Replacement Vacuum Bags use the highest quality filter media including melt-blown inner liner in order to achieve filtration efficiencies up to 99.9%. Designed specifically for commercial use, they are always equal to, or exceed OEM quality. Green Klean Brand bags are designed for Janitorial Professional vacuum cleaners and are backed by the Green Diamond Warranty.