Photo 1 of Shop-Vac High Performance 90398 Cartridge Filter, Fits Most 4 Gallon and less Shop-Vac Wet/Dry Vacuums, High Efficiency Nanofiber Filtration Paper, PET and Reusable, 2 Pack

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Photo 1 of Shop-Vac High Performance 90398 Cartridge Filter, Fits Most 4 Gallon and less Shop-Vac Wet/Dry Vacuums, High Efficiency Nanofiber Filtration Paper, PET and Reusable, 2 PackPhoto 2 of Shop-Vac High Performance 90398 Cartridge Filter, Fits Most 4 Gallon and less Shop-Vac Wet/Dry Vacuums, High Efficiency Nanofiber Filtration Paper, PET and Reusable, 2 Pack