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Silver-framed rectangular MA-40 air purifier filter with fine mesh surface and subtle branding on the side
Two sleek ma-40 air purifier filters with silver metallic frames and white pleated filter media for clean air
Four ma-40 filter rectangular air filters with silver metallic frames and white pleated filter media
White rectangular ma-40 air filter with a textured surface and black frame designed for easy replacement
White rectangular air purifier filter with light brown wooden frame for ma-40 filter system
Two ma-40 filter air filter panels with metallic frames one white clean and one gray heavily soiled
White rectangular air purifier ma-40 filter with black trim and removable filter panel for improved air quality
Silver-framed rectangular MA-40 air purifier filter with fine mesh surface and subtle branding on the side
Two sleek ma-40 air purifier filters with silver metallic frames and white pleated filter media for clean air
Four ma-40 filter rectangular air filters with silver metallic frames and white pleated filter media
White rectangular ma-40 air filter with a textured surface and black frame designed for easy replacement
White rectangular air purifier filter with light brown wooden frame for ma-40 filter system
Two ma-40 filter air filter panels with metallic frames one white clean and one gray heavily soiled
White rectangular air purifier ma-40 filter with black trim and removable filter panel for improved air quality
30 day home trial
 
US shipping & Easy returns
 
Limited lifetime warranty
Cleans
896 sq ft
in 30 minutes 1

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.

30 day home trial
 
FDA-Cleared
 
LTD Lifetime warranty

MA-40 Filter

The MA-40 air purifier provides high-grade filtration with HEPA filter material for removal of particles down to 0.3 microns.1, 2

  • 896 sq ft Can clean in 30 minutes1
  • 406m3/h Clean Air Delivery Rate2
HEPA filter material for removal of particles down to 0.3 microns.1, 2
Image Alt Text

POWERFUL MULTI-STAGE FILTRATION

Pre-Filter
01
 
HEPA FILTER
02
 
Substantial Carbon Filter
03
 

Pre-Filter

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

Pre-Filter
01
 
HEPA FILTER
02
 
Substantial Carbon Filter
03
 

HEPA FILTER

Medify's HEPA filter material is tested to remove airborne particles to 0.3 microns.1, 2

Pre-Filter
01
 
HEPA FILTER
02
 
Substantial Carbon Filter
03
 

Substantial Carbon Filter

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

Compare Our Units

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

MA-14

$99.99
Learn More
Coverage 213 sq. ft. every 30 min.1
Colors White, Black
Option with Ionizer -
Fan Speeds 3
Rating

MA-25

$148.99
Learn More
Coverage 413 sq. ft. every 30 min.1
Colors White, Silver
Option with Ionizer -
Fan Speeds 3
Rating

MA-35

$179.99
Learn More
Coverage 640 sq. ft. every 30 min.1
Colors White, Silver, Black
Option with Ionizer
Fan Speeds 3
Rating

MA-40

$249.99
Learn More
Coverage 896 sq. ft. every 30 min.1
Colors White, Black
Option with Ionizer
Fan Speeds 3
Rating

MA-50 v3.0

$299.99
Learn More
Coverage 1,320 sq. ft. every 30 min.1
Colors White
Option with Ionizer -
Fan Speeds 4
Rating

MA-112

$594.99
Learn More
Coverage 2,228 sq. ft. every 30 min.1
Colors White, Black
Option with Ionizer -
Fan Speeds 4
Rating

MA-112 PRO

$594.99
Learn More
Coverage 2,947 sq. ft. every 30 min.1
Colors White
Option with Ionizer -
Fan Speeds 4
Rating

Why Choose MA-40 Filter

Faq Image

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 HEPA filters are designed for removal of particles down to 0.3 microns. 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
  1. Smoke CADR when operating at highest fan speed. Assumes closed room with 8-foot ceiling. Refer to test results on this page.
  2. Tested by Intertek Lab for HEPA filter material.
brands

A Higher Standard in Air Purification

 Free US shipping

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

airborne particles down to 0.1 microns 1,2

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