Amazon.com: Reinlichkeit 17884 Vacuum Cartridge Filter fit for Craftsman 9-17884 17935 17937 17920 shop vac Filter Replacement Part Fit 6 Gallon & Large Vacs : Tools & Home Improvement
Craftsman 6.75 in. D General Purpose Wet/Dry Vac Cartridge Filter 4 gal 1 pc - Ace Hardware