View 2 of 3M Filtrete Allergen Defense Filter (9815DC-6), 12" x 20" x 1"

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View 1 of 3M Filtrete Allergen Defense Filter (9815DC-6), 12" x 20" x 1"View 2 of 3M Filtrete Allergen Defense Filter (9815DC-6), 12" x 20" x 1"