Green Klean Replacement Vacuum Bags for Fein Turbo I and Mini, 9-11-20 & 9-11-55 (OEM# 913038K01) 12/3 Packs GK-Turbo I3 Pack Disposable bags collect dust and particles picked up by vacuum Designed for use in conjunction with 1 Micron Filter (TII1MCRN). Green Klean® Replacement vacuum bags use the highest quality Micro-Plus filter media. Designed specifically for industrial use, they are always equal to, or exceed OEM quality. Better filtration means cleaner air, less dusting, and longer secondary filter life. Each bag is printed to easily identify the vacuum it fits. Clean with Confidence, Replace with Green Klean.