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- MA-40 Replacement Filter
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Genuine MA-40 replacement filters should be used to maintain the effectiveness of the MA-40 air purifier unit. Removes 99.9% of harmful toxins including allergens, odors, VOCs, smoke, pollen, pet dander, dust, smog, contaminants, and more down to 0.1 microns* in size. Perfect for clean air in bedrooms, baby nurseries, living rooms, home gyms, kitchens, offices, and more. Maintain your purifier's Lifetime Warranty by replacing the MA-40 filter every 4-5 months or after 3,000 hours of use, whichever comes first.
Filter life:
4-5 months or 3,000 hours
Medify Air True HEPA H13 & H14 Filters
The Medify Air MA-40 uses True HEPA H13 filters with three layers of filtration: pre-filter, H13 True HEPA, and active carbon composite for odors.
![](https://cdn.shopify.com/s/files/1/0093/5378/9487/t/72/assets/MA-40-Filter-1_34e4f901-6f8e-4565-90ef-613214d34a0f16270436031897.png?v=1627043606)
Can clean 840 SF in 30 minutes*
330m3/h Clean Air
Delivery Rate†
Captures 99.9% of particles down to 0.1 microns*
True HEPA H13 or better removes 99.9% of particles down to 0.1 microns.*
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1. Pre-Filter
Pre-filter removes hair, fibers, and large particles like dander.
2. True HEPA H13 or H14 Filter
The high-efficiency TRUE HEPA H13 filter is tested to removed 99.9% of particles down to 0.1 microns.* Upgrade to H14 for 99.9% removal.
3. Substantial Carbon Filter
Substantial carbon filter with carbon pellets to remove odors and smoke.
Compare Our Units
All units are equipped with a pre-filter, True HEPA H13 or H14, and active carbon filter.
![]() MA-CAR |
![]() MA-14 |
![]() MA-15 |
![]() MA-18 |
![]() MA-22 |
![]() MA-25 |
![]() MA-35 |
![]() MA-40 |
![]() MA-45 |
![]() MA-50 v3.0 |
![]() MA-112 |
![]() MA-125 |
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Coverage 80 sq. ft. every 30 min.* | Coverage 213 sq. ft. every 30 min.* | Coverage 293 sq. ft. every 30 min.* | Coverage 330 sq. ft. every 30 min.* | Coverage 278 sq. ft. every 30 min.* | Coverage 413 sq. ft. every 30 min.* | Coverage 640 sq. ft. every 30 min.* | Coverage 896 sq. ft. every 30 min.* | Coverage 772 sq. ft. every 30 min.* | Coverage 1320 sq. ft. every 30 min.* | Coverage 2228 sq. ft. every 30 min.* | Coverage 2,051 sq. ft. every 30 min.* |
Colors Black | Colors White, Black | Colors White, Silver | Colors White, Black | Colors White, Black | Colors White, Silver, Black | Colors White, Silver, Black | Colors White, Black | Colors White, Black | Colors White, Silver, Black | Colors White, Black | Colors White, Black |
Option with UV Light - |
Option with UV Light - |
Option with UV Light - |
Option with UV Light - |
Option with UV Light - |
Option with UV Light - |
Option with UV Light - |
Option with UV Light |
Option with UV Light |
Option with UV Light - |
Option with UV Light |
Option with UV Light |
Option with Ionizer |
Option with Ionizer - |
Option with Ionizer - |
Option with Ionizer |
Option with Ionizer - |
Option with Ionizer - |
Option with Ionizer |
Option with Ionizer |
Option with Ionizer - |
Option with Ionizer - |
Option with Ionizer |
Option with Ionizer - |
Fan Speeds 3 | Fan Speeds 3 | Fan Speeds 3 | Fan Speeds 3 | Fan Speeds 3 | Fan Speeds 3 | Fan Speeds 3 | Fan Speeds 3 | Fan Speeds 4 | Fan Speeds 4 | Fan Speeds 4 | Fan Speeds 9 |
Rating | Rating | Rating | Rating | Rating | Rating | Rating | Rating | Rating | Rating | Rating | Rating |
$99 | $89 | $99 | $80 | $99 | $149 | $300 | $250 | $300 | $300 | $595 | $399 |
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What is an air purifier?
What is indoor air quality?
What is a HEPA filter?
HEPA is a type of pleated mechanical air filter. It is an acronym for "high-efficiency particulate air [filter]" (as officially defined by the U.S. Dept. of Energy). This type of air filter can theoretically remove at least 99.9% of dust, pollen, mold, bacteria, and any airborne particles with a size of 0.3 microns (µm). *Source: epa.gov, What is a HEPA filter?
How does it work?
Why are Medify Air filters special?
Technical Specifications
DISCLAIMERS |
*Based on average CADR for pollen, smoke, and dust when operating at fan setting 3. Assumes closed room
with 8 foot ceiling. Refer to test results dated 5/16/23 on
this
page. †Average CADR for pollen, smoke, and dust. |
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