4-in-1 HEPA Filter, Four-layer Protection
Take control of your air quality with the 4-in-1 HEPA filter and eliminate up to 99% of ultrafine dust, PM1.0, and allergens.
Filter Invisible Floating Particles
Get quadruple the protection from unsafe air with the 4-in-1 HEPA Filter. It doesn’t only remove pet hair, dust and dander, it also removes 99% virus and 99.97% of particles as small as 0.3 microns, such as PM1.0, allergens, bacteria² ,formaldehyde³ and odors.
Protection All in One
Effectively cleanses pet hair and dander, be it from cats or dogs. Eliminates kitchen grease, tobacco odors, pollen, renovation paint fumes, formaldehyde, and dust entirely.
Estimated Filter Lifetime 3000hrs
The recommended replacement time for the filter is 3000 hours (if used for 8 hours a day, it takes about 12 months to replace).
Applicable Models
Applicable for AC551-50W, AC553-50W, AP551-50W, AP352-10W and AP353-10W
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| Product Name | 4-in-1 HEPA Filter | 3-in-1 Plus HEPA Filter | 4-in-1 Plus HEPA Filter | 3-in-1 HEPA Filter | 3-in-1 Anti-Virus HEPA Filter |
| Model Name | ACF173 | ACF275 | APF271 | ACF071/ACF061 | ACF373 |
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| Filterable substances | Virus, Bacteria, Formaldehyde, Nicotine, Dust, Hair, Oder, Smoke, Pet dander, pollen, allergen | Virus, Bacteria, Formaldehyde, Nicotine, Dust, Hair, Oder, Smoke, Pet dander, pollen, allergen | Coronavirus, H1N1 Virus, Bacteria, Formaldehyde, Nicotine, Dust, Hair, Oder, Smoke, Pet dander, pollen, allergen | Virus, Bacteria, Formaldehyde, Nicotine, Dust, Hair, Oder, Smoke, Pet dander, pollen, allergen | Virus, Bacteria, Formaldehyde, Nicotine, Dust, Hair, Oder, Smoke, Pet dander, pollen, allergen |
| Filter Lifetime | 3000 hours | 3000 hours | 9000 hours | 2000 hours | 3000 hours |
| Applicable Model |
AC551-50W AC553-50W AP551-50W AP352-10W AP353-10W |
AC551-50W AC553-50W AP551-50W AP352-10W AP353-10W |
AP972-50B |
AC530-20W AC530-20B |
AH333-10W AC333-10W |