RIDGID HEPA Material Pleated Paper Wet/Dry Vac Replacement Cartridge Filter for Most 3 to 4.5 Gal RIDGID Shop Vacuums (8-Pack) VF3600B - The Home Depot
RIDGID Fine Dust Pleated Paper Wet/Dry Vac Replacement Cartridge Filter for Most 3 to 4.5 Gallon RIDGID Shop Vacuums (1-Pack) VF3500 - The Home Depot