GermGuardian AC4900CA 3-in-1 Air Purifier with True HEPA Filter Review

The GermGuardian AC4900CA 3-in-1 air purifier has a true HEPA filter which, according to the doctors of the American Academy of Pediatric Allergy and Immunology, lessens the place’s exposure to contaminants that can trigger indoor asthma. It may be impossible to believe but indoor air has more pollutants compare to outdoor air that is why air purifier, like GermGuardian AC4900CA, has been used by many households to lessen these harmful contaminants.

GermGuardian AC4900CA Air Purifier

GermGuardian AC4900CA Air Purifier Features

  • 3 stage filtration system. First, the pre-filter will eliminate the bigger sized particles and then the air will pass through the charcoal and will start to eliminate odors and traps contaminants. Second, the air will pass through the HEPA filter captures 99.97% of particles up to .3 microns in size thus lessens the airborne allergies Lastly, the UV-C light to destroy airborne bacteria and viruses and killing the DNA of these germs so it will stop reproducing.
  • It has Filter Change Reminder so one will know if the filter is already needed to be replaced.
  • CADR rated 100+ and recommended for small and medium rooms (cleans areas up to 183 sq. ft.)


  • Modern design. It looks like a speaker so it will complement the interior design of any home.
  • It has lightweight design making it perfect for small and medium sized rooms.
  • The low speed function allows the unit to run as quietly as possible; thus, making this unit possible to use all night long.
  • The UV-C can be turned on and off.
  • Energy Star Qualified.


  • It has an additional costs for GermGuardian AC4900CA filter and UV-C bulb replacements.
  • The highest setting tend to be really loud

Overall, GermGuardian AC4900CA air purifier is perfect for every home, especially for those household who have persons with asthma and pets. Whether you already have a bigger one at your home, having an additional, smaller, one is one good decision as you can even bring it with you at your office. Since it is really advertised to be used in small to medium sized rooms, this is also perfect for bedroom to make you sleep more comfortable. Despite its small size and few cons, it still proves its effectiveness to provide every customer a germ and virus free indoor air and a non-smelly surrounding as well.

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