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Hunter Cylindrical Tower Air Purifier

Brand: Hunter
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4.9 out of 5
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 The exposed hardware makes the Hunter HP400 Cylindrical Tower Air Purifier the trendiest in the bunch. The small footprint is perfect for travel or small rooms. Features True HEPA filtration and EcoSilver® pre-filter for allergy and asthma relief.  


  • Silver nanoparticles in the EcoSilver® pre-filter prevent the growth of microorganism on the filter, including bacteria and viruses
  • Coconut carbon in the pre-filter neutralizes harmful VOCs and household odors from cooking, cleaning, smoking and pets
  • True HEPA filter removes up to 99.97% of airborne particles as small as 0.3 microns including smoke, dust, pollen, pet hair and dander, mold spores and dust mite debris
  • 360-degree air intake
  • Soft-touch digital control panel 
  • 3 fan speeds so you get the cleaning power you want when you want it
  • Sleep mode with whisper quiet operation for uninterrupted sleep
  • Timer with 2, 4 and 8-hour intervals
  • Filter replacement indicator to remind you when it's time to change the filters
  • Optional LED accent light for ambiance or nightlight 


  • Recommended Room Size: 106 Sq. Ft.
  • CADR Ratings: Smoke-68, Dust-75, Pollen-91
  • Sound Level: 32-47 dB(A)
  • HEPA Filter Replacement: Change every 6-12 months, or more often depending on air quality & environmental factors 
  • Pre-Filter Replacement: Change every 3 months, or more often depending on air quality & environmental factors 
  • Warranty: 5-year limited
Country of Origin: United States
Item #
Assembled Dimensions
7.7 In. X 7.7 In. X 16.7 In.
Black, Brown, Grey, White
Primary Filtration Type
HEPA Filter
Product Features
Filter Status Indicator
Recommended Room Size
Small: less than 150 sq. ft.
Secondary Filtration Type
Activated Carbon Filter
5 year Limited Manufacturer
Model Number
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