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. Capacity Range (Volume): 6 qt; OEM/Compatible: Compatible; Size Group: 12 x 10 x 2; Style: GK-PT-Pro6Qt.