Photo 1 of 1 Micron Inner Filter and 5-Micron Outer Air Filter Replacement Compatible with WEN 3410, POWERTEC AF4000, AF4001, Shop Fox W1830, WEN 90243-026-2 Air Filtration Systems Woodworking, 2 Set

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Photo 1 of 1 Micron Inner Filter and 5-Micron Outer Air Filter Replacement Compatible with WEN 3410, POWERTEC AF4000, AF4001, Shop Fox W1830, WEN 90243-026-2 Air Filtration Systems Woodworking, 2 SetPhoto 2 of 1 Micron Inner Filter and 5-Micron Outer Air Filter Replacement Compatible with WEN 3410, POWERTEC AF4000, AF4001, Shop Fox W1830, WEN 90243-026-2 Air Filtration Systems Woodworking, 2 Set