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Amazon.com: AIRTOK Hepa Air Purifiers for Home Large Room and Bedroom up to 1100 ft² H13 True Filter 100% Ozone Free Air Cleaner for Smokers, Pet and Allergies Remove 99.99%Allergens, Dust, Odor,
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ULPA=Ultra Low Particulate Air (filter) & HEPA=High-efficiency particulate air
Difference Between a HEPA and ULPA Filter | HEPA vs ULPA Filter