Replacement Filter Compatible with Dr.J Professional AP401 AP402 & GCZ AP402 Air Purifiers, 4-Stage Filtration CADR 400+ m³/h Air Purifier for Dust Odor Smoke (1 Pack, White)
Replacement Filter Compatible with Dr.J Professional AP401 AP402 & GCZ AP402 Air Purifiers, 4-Stage Filtration CADR 400+ m³/h Air Purifier for Dust Odor Smoke (1 Pack, White)
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Replacement Filter Compatible with Dr.J Professional AP401 AP402 & GCZ AP402 Air Purifiers, 4-Stage Filtration CADR 400+ m³/h Air Purifier for Dust Odor Smoke (1 Pack, White)

310 ratings
Replacement Filter Compatible with Dr.J Professional AP401 AP402 & GCZ AP402 Air Purifiers, 4-Stage Filtration CADR 400+ m³/h Air Purifier for Dust Odor Smoke (1 Pack, White)1 Pack Replacement H13 HEPA Air Purifier Filter for DR J Professional Air Purifier 1800 sq ft 4 Stage filter with Activated Carbon White2 Pack Replacement H13 HEPA Air Purifier Filter for DR J Professional Air Purifier 1800 sq ft 4 Stage filter with Activated Carbon White
Count1
Actual ColorWhite

Key item features

  • Compatible Models: Replacement filter compatible with Dr.J Professional AP401 AP402, GCZ AP402, Dayette AP401 AP402, and JOWSET AP402 AP403 air purifiers.
  • 4-Stage Filtration: Features a 360-degree 4-stage filtration system including Pre-filter, H13 True HEPA filter, Activated Carbon Filter, and Net Filter.
  • H13 True HEPA: Filters 99.97% of airborne particles down to 0.3 microns, such as dust, pollen, smoke, odors, and pet dander.
  • Activated Carbon: Efficiently absorbs household odors from pets, cooking, smoke, wildfire, and VOCs, extending the life of the HEPA filter.
  • Easy Installation: Simple to replace without any tools, ensuring quick and hassle-free filter changes.
  • Optimal Performance: Recommended to replace the filter every 6-8 months for the best air purification effect.
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Customer ratings & reviews

4.6 out of 5 stars
stars
310 ratings69 reviews
How item rating is calculated
  1. 5 stars81% (251)
  2. 4 stars7% (22)
  3. 3 stars3% (8)
  4. 2 stars2% (7)
  5. 1 star7% (22)

Reviews summary

Pros

  • : These filters fit precisely into the air purifiers.
  • : Installation process is straightforward and requires minimal effort.
  • : Captures and eliminates unpleasant smells.

Neutral

  • : Offers competitive value, but can be steep for some users.
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Showing 1-3 of 69 reviews

Mar 25, 2026
Reviewer name: burns72
Top Reviewer
Item details
Count: 1
Color: White
Sold byHOME TIMESDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Calming and relaxing

A very economical way to ensure you're home is fresh and clean. I have breathing issues as such I'm not a fan of home fragrances, this keeps the air clean and fragrance free at all times. The last unit lasted close to a year. When you have multiple it spreads out this work. Circulation of the air is whisper quiet. The only time it automatically speeds up is when someone opens the doors. Other than that you literally forget it's working.

Helpful?6OR30E0V88AU3006712231
Sep 25, 2026
Reviewer name: E
Top Reviewer
Item details
Count: 2
Color: White
Sold byHOME TIMESDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

product arrived on time and as described.

Helpful?6OR30E0V88AU3006712231
Jul 23, 2026
Reviewer name: jd
Top Reviewer
Item details
Count: 2
Color: White
Sold byHOME TIMESDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great filters help keeps air clean!

Helpful?6OR30E0V88AU3006712231
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