This 6-pack of 3M Filtrete 20" x 20" x 1" Micro Allergen filters, 3M Filtrete part #9802 or #9802DC-6, is the "good" choice in the Allergen reduction line of 3M Filtrete filters. The 3M Filtrete Micro Allergen Filter is a good choice if you need a filter to capture large airborne particles as well as microscopic allergens regardless of your furnace brand. The 3M Filtrete Micro Allergen 20" x 20" x 1" #9802 filter will capture dust particles as well as capturing smaller allergen particles like pollen or mold spores. 3M Filtrete Product # 9802 or 9802DC-6 3M Filtrete Case UPC # 00051111556412 3M Filtrete Stock # 70071355930 To see a complete selection of genuine 3M Filtrete filter options, click here: 3M Filtrete Filters