F1831HE HEPA+ Replacement Filter

True HEPA filtration removes up to 99.97% of airborne particles as small as 0.3 microns in size including smoke, dust, pollen, pet hair and dander, mold spores and dust mites Natural bamboo charcoal reduces harmful volatile organic compounds (VOCs) and household odors from cooking, cleaning, smoking and pets Recommended to replace every 12 months for maximum efficiency, or more often depending on air quality & environmental factors Package contains 1 replacement filter Dimensions: 14-1/5 x 8-1/10 x 1-2/5 inches Fits Model Part Number HT1831 F1831HE (F1831HE/21)