Genuine Hunter F1725HE and F1725HE/21 replacement air purifier filter. Fits Hunter air purifier models HT1725. 

• 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 12-18 months for maximum efficiency, or more often depending on air quality & environmental factors
• Alternate filter for 30973
• Package contains 1 replacement filter
• Dimensions: 19-3/5 x 4-7/10 x 1-3/10 inches

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