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ma-40 filter

MA-40 Filter

perfect for large rooms

Maintain your air purifier with genuine MA-40 Replacement Filters. Designed for optimal airflow, these filters help keep your indoor air fresh, clean, and comfortable every day.

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ONE TIME PURCHASE $59.99

MA-40 Filter

ADD FILTER SUBSCRIPTION (SAVE 40%) $35.99 $59.99

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MA-40 Filter

The MA-40 air purifier provides high-grade filtration with True HEPA H13 filter material tested to remove 99.97% of airborne particles from 0.1 to 0.3 microns.^{1, 2}

896 sq ft Can clean in 30 minutes¹
406m³/h Clean Air Delivery Rate²
99.97% Captures airborne particles from 0.1 to 0.3 microns.^{1, 2}

POWERFUL MULTI-STAGE FILTRATION

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Pre-filter removes hair, fibers, and large airborne particles like dander.

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Medify's HEPA filter material is tested to remove 99.97% of airborne particles from 0.1 to 0.3 microns. ^{1, 2}

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Substantial carbon filter with carbon pellets to remove odors and smoke.

Compare Our Units

All air purifier units are equipped with True HEPA and activated carbon filters.

MA-14	MA-15	MA-22	MA-25	MA-35	MA-40	MA-50 v3.0	MA-112	MA-112 PRO
$99.99	$99.99	$110.99	$148.99	$179.99	$249.99	$299.99	$594.99	$594.99
Learn More	Learn More	Learn More	Learn More	Learn More	Learn More	Learn More	Learn More	Learn More
Coverage 213 sq. ft. every 30 min.¹	Coverage 293 sq. ft. every 30 min.¹	Coverage 278 sq. ft. every 30 min.¹	Coverage 413 sq. ft. every 30 min.¹	Coverage 640 sq. ft. every 30 min.¹	Coverage 896 sq. ft. every 30 min.¹	Coverage 1,320 sq. ft. every 30 min.¹	Coverage 2,228 sq. ft. every 30 min.¹	Coverage 2,947 sq. ft. every 30 min.¹
Colors White, Black	Colors White, Silver	Colors White, Black	Colors White, Silver	Colors White, Silver, Black	Colors White, Black	Colors White	Colors White, Black	Colors White
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 4	Fan Speeds 4	Fan Speeds 4
Rating	Rating	Rating	Rating	Rating	Rating	Rating	Rating	Rating
$99.99	$99.99	$110.99	$148.99	$179.99	$249.99	$299.99	$594.99	$594.99

Why Choose MA-40 Filter

Why Choose MA-40 Filter

Description

Breathe cleaner air with Medify MA-40 Air Purifier Replacement Filters — your best defense against airborne pollutants. These high-efficiency True HEPA filters capture 99.97% of airborne dust, pollen, smoke, and pet dander from 0.1 to 0.3 microns in size. Whether you’re at home or at work, they deliver reliable, powerful filtration with clean air.

Available in single, two-pack, or four-pack options to suit your needs. Enjoy easy installation that keeps your purifier running like new. Every filter is built to last, maintaining peak performance over months of use. Keep your indoors fresh, healthy, and breathable — every day.

Uses of MA-40 Filter

Replacement filter for MA-40 Air Purifiers
Ideal for large rooms, offices, and open spaces
Helps remove allergens, dust, and pet dander
Reduces odors from cooking, smoke, and pets
Supports cleaner air during allergy or wildfire seasons
Keeps your purifier running efficiently

Benefits of MA-40 Filter

Maintains purifier performance for consistent results
Available in multiple pack sizes for convenience
Hassle-free installation and replacement process
Free US shipping and hassle-free returns

Technical Specifications

Disclaimers

Smoke CADR when operating at highest fan speed. Assumes closed room with 8-foot ceiling. Refer to test results on this page.
Tested by Intertek Lab for HEPA filter material.

A Higher Standard in Air Purification

Free US shipping & easy returns

Free shipping, easy returns, no minimum.

30 DAY HOME TRIAL

Put our purifiers to the test, for up to 30 days

ozone free

Medify purifiers with ionizers are tested and verified zero ozone.

REMOVES 99.97%

of airborne particles down to 0.3 to 0.1 microns ^1,2

MA-40 Filter

MA-40 Filter

POWERFUL MULTI-STAGE FILTRATION

Pre-Filter

TRUE HEPA FILTER

Substantial Carbon Filter

Why Choose MA-40 Filter

Description

Uses of MA-40 Filter

Benefits of MA-40 Filter

A Higher Standard in Air Purification