Shop-Vac* Multi-fit pleated replacement cartridge filter for 5 gallon and above wet/dry vacs (OEM# 90304, 9039800, 90350, 90333, 88-2340-02) 8/case GK-MF-8 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.