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Designed for the HSP001 Smart True HEPA Air Purifier, these true H11 HEPA replacement filters will help you maintain the cleanest and purest indoor air environment.

• Replace your filters every 4 months for optimal performance. 
• Filters 99.97% of particles as small as 0.3 microns such as dust, pollen, allergens, smoke, odors, pet hair, and VOC's. 
• Features 4 filter stages: True H11 HEPA, HEPA Pre-Filter, Cold Catalyst, & Activated Carbon.
  • Designed for easy installation, you can have your filters replaced in just a few seconds.