Green Klean® Replacement vacuum bags use the highest quality Micro-Plus filter media. Designed specifically for commercial use, they are always equal to, or exceed OEM quality. Better filtration means cleaner air, less dusting, longer secondary filter life, at considerable savings. Backed by the Green Diamond Warranty. Each bag is printed to easily identify the vacuum it fits. OEM part 52320A, 52356, 54924A, 57695A, 63250