You are looking at a new, sealed 4-Pack Of 3M F1 Filtrete Allergen Reduction + Odor Reduction HEPA-Type Room Air Purifier Filters that are marked Model #FAPF-F1-0.  Compatible with Filtrete Room Air Purifier Devices FAP-C01-F1 and FAP-T02-F1.  These filters are brand new and sealed in their original packaging.  Please look at the pictures!  **FREE USPS GROUND ADVANTAGE SHIPPING WITHIN THE USA**  Own this new, sealed 4-Pack Of 3M F1 Filtrete Allergen Reduction + Odor Reduction HEPA-Type Room Air Purifier Filters, today!