MULTI FIT General Purpose Replacement Wet/Dry Vac Cartridge Filter for Most 5 to 20 Gallon CRAFTSMAN Shop Vacuums (1-Pack) VF7816 - The Home Depot
Amazon.com: EZ SPARES Replacement for Shop-Vac Craftsman 9-17816 Filter, Wet/Dry Cartridge,for most 5 Gallon & larger Vacs Part Accessories : Tools & Home Improvement