Genuine Frigidaire 68660 Allergen and Foam Air Cleaner Filters for FRAP05A6OB, 1 Allergen Filter, 1 Foam Filter, 4 Scent Pads Contains 1 allergen filter, 1 foam filter, 4 scent pads for use with fragrance oils Fits Frigidaire AromaFresh-50, Desktop Air Cleaner FRAP05A6OB Replace allergen and foam filter every 12 months for optimum performance Add your own fragrance oils to the reusable scent pads