GermGuardian Air Purifier Replacement Filter E, HEPA Pure, for Models AC4100 Series
GermGuardian Air Purifier Replacement Filter E, HEPA Pure, for Models AC4100 Series
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GermGuardian Air Purifier Replacement Filter E, HEPA Pure, for Models AC4100 Series

Key item features

  • High Efficiency: HEPA Filter captures 99.97% of dust and allergens as small as 0.1 microns, including household dust, pet dander, mold spores, and plant pollens.
  • Odor Reduction: Charcoal filter layer reduces common odors from pets, smoking, and cooking, and acts as a pre-filter to capture large dust particles.
  • Extended Filter Life: Pre-filter helps extend the life of the HEPA filter by trapping large particles like dust and pet hair.
  • Model Compatibility: Replacement filter for GermGuardian Air Purifier models AC4100, AC4175, AC4150PCA, and AC4150BLCA.
  • Combination Filter: Single combination filter needs to be replaced every 6-8 months depending on usage.
  • Genuine Parts: Use genuine Guardian Technologies replacement parts to maintain product performance.
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Current price is $14.99
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Arrives by Sat, Jun 6
Sold by Home StorePro Seller
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4.694510739856802 stars out of 5, based on 419 seller reviews(4.7)
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About this item

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Customer ratings & reviews

4.5 out of 5 stars
stars151 ratings124 reviews
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Reviews summary

Pros

  • : Installs with minimal hassle.
  • : Reduces amount of dust in air and on surfaces.
  • : Unit is small but effective in its capabilities.
  • : Offers good value considering its functionality.

Neutral

  • : Can be odorless, but may produce a strong industrial smell in some cases.
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Showing 1-3 of 124 reviews

Nov 9, 2025
Loreta M.
5 out of 5 stars review

Seller Verified Purchase

Great Filter for the tabletop model.

I have several of these tabletop models and they work well. Low noise and I usually find that 6 months is about the max of time on the filters. I have them in closets and pantry, one in my office. The only negative is that I can't tell if the UV is on, off, or burnt out.

Review from Guardian Technologies
Helpful?5UPNRMZJB3T434516898
Aug 22, 2025
Nate B.
5 out of 5 stars review

Seller Verified Purchase

Game changer

These air purifiers are great. They've helped improve the air quality in my bedroom and have made breathing much easier. You can visibly see the difference on the filters at the end of their lifespan - it collects so much gunk! I'm really happy I purchased this and will continue to use it.

Review from Guardian Technologies
Helpful?5UPNRMZJB3T434516898
Apr 30, 2026
LINDA S.
5 out of 5 stars review

Seller Verified Purchase

Filters were exaclty what was ordered and we received them promptly. have them saved to reorder on a regular basis thank you!

Review from http://GuardianTechnologies.com
Helpful?5UPNRMZJB3T434516898