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White rectangular ma-40 air purifier with black circular perforations and silver logo on the top panel
Two sleek white medifyair ma-40 air purifiers with black perforated front panels and minimalist design
White rectangular MA-40 air purifier with black perforated front panel and minimalist design for clean air filtration
White rectangular medify air ma-40 air purifier with black perforated front panel for improved air filtration
White and black ma-40 air purifier with perforated front panel for efficient air filtration in home or office spaces
Black medifyair ma-40 air purifier with perforated front panel and sleek modern design for clean indoor air
Two sleek matte black MedifyAir MA-40 air purifiers with modern rectangular design and perforated front panels
Black medifyair ma-40 air purifier with sleek rectangular design and perforated front panel for clean air filtration
Black medify air ma-40 air purifier with sleek glossy finish and perforated front panel for efficient air cleaning
Black rectangular hepa air ma-40 air purifier with sleek modern design and visible brand name on front panel
White rectangular ma-40 air purifier with black circular perforations and silver logo on the top panel
Two sleek white medifyair ma-40 air purifiers with black perforated front panels and minimalist design
White rectangular MA-40 air purifier with black perforated front panel and minimalist design for clean air filtration
White rectangular medify air ma-40 air purifier with black perforated front panel for improved air filtration
White and black ma-40 air purifier with perforated front panel for efficient air filtration in home or office spaces
Black medifyair ma-40 air purifier with perforated front panel and sleek modern design for clean indoor air
Two sleek matte black MedifyAir MA-40 air purifiers with modern rectangular design and perforated front panels
Black medifyair ma-40 air purifier with sleek rectangular design and perforated front panel for clean air filtration
Black medify air ma-40 air purifier with sleek glossy finish and perforated front panel for efficient air cleaning
Black rectangular hepa air ma-40 air purifier with sleek modern design and visible brand name on front panel
30 day home trial
 
US shipping & Easy returns
 
Limited lifetime warranty
Cleans
896 sq ft
in 30 minutes 1

MA-40 Air Purifier

Learn more about MA-40 Filter HEPA

perfect for large rooms

The Medify MA-40 air purifier features HEPA filtration, cleaning up to 896 sq ft in 30 minutes¹. Ideal for large rooms, it removes dust, pollen, odors, and other airborne particles.

30 day home trial
 
FDA-Cleared
 
LTD Lifetime warranty

0-8 hour timer

3 fan speeds

Sleep Mode

Filter Indicator

Touch Controls

MA-40 with HEPA

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.

REPLACEMENT FILTERS:

ONE‑TIME PURCHASE OR SUBSCRIBE & SAVE 40%

Compare Our Units

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

Compare air purifier models, pricing, and features

MA-14

MA-22

MA-25

MA-35

MA-40

MA-50 v3.0

MA-112

MA-112 PRO

MA-125

$99.99 $110.99 $148.99 $179.99 $249.99 $299.99 $594.99 $594.99 $399.99
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Coverage 213 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 Coverage 2,051 sq. ft. every 30 min.1
Colors White, Black Colors White, Black Colors White, Silver Colors White, Silver, Black Colors White, Black Colors White Colors White, Black Colors White Colors Black
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 4 Fan Speeds 4 Fan Speeds 4 Fan Speeds 9
Rating
Rating
Rating
Rating
Rating
Rating
Rating
Rating
Rating
$99.99 $110.99 $148.99 $179.99 $249.99 $299.99 $594.99 $594.99 $399.99

Why Choose MA-40 Air Purifier

Faq Image

Why Choose MA-40 Air Purifier

Description

Imagine a home where the air feels fresh and light, free from lingering smoke, pet dander, or pollen that irritates your family. 

The Medify MA-40 purifier makes this simple with its three-stage filtration: a pre-filter traps hair and large particles, a HEPA layer helps reduce airborne contaminants, and a substantial carbon filter tackles odors and VOCs.

With three fan speeds, sleep mode for quiet nights (as low as 40.5 dBA), a 0-8 hour timer, filter indicator, and an intuitive tempered glass touchscreen, it fits seamlessly into your life. 

Cleaning 896 sq ft every 30 minutes at 2 ACH, with a powerful 406 m³/h CADR—it's great for allergies, pets, wildfires, or everyday pollutants. Ozone-free and ENERGY STAR certified, it's built for long-term trust and cleaner air you can feel.

Uses of MA-40 Air Purifier

  • Large living rooms or open-plan homes up to 896 sq ft.​
  • Classrooms, dorms, apartments, or offices needing quick air refresh.​
  • Bedrooms for allergy relief or quiet sleep mode operation.​
  • Pet-heavy spaces for reduced dander, hair, and airborne allergens.
  • Smoke-prone areas like kitchens or post-wildfire zones.​

Benefits of MA-40 Air Purifier

  • Helps reduce particles down to 0.3 microns for healthier breathing.
  • Long-lasting filters (up to 3,000 hours or 4-5 months).
  • Quiet sleep mode and low energy use for all-night comfort.​
  • Stylish touchscreen design blends into any decor in white or black.​
  • Free US shipping, 30-day trial, and easy returns build confidence in your buy.​

Top view of a black Medify MA-40 air purifier showing the control panel

Tempered Glass
Touchscreen Technology

Our tempered glass touch screen top allows you to adjust your purifier to the perfect settings for your space while looking great in you home or office.

Technical Specifications

Dimension (Inches)
22" H x 9.9" W x 10.9" D
Weight (In LB)
17.5 LBS
Wattage
68W
Controls
Preset Timers, 3 Fan Speeds, Sleep Mode, Filter Indicator, Touch Controls, Child Lock, Ionizer (Optional)
Fan Speeds
3 Speeds
Warranty
Limited Lifetime Warranty
CADR by Speed¹
Speed 1: 144.3 CFM (245 m³/h)
 Speed 2: 181.2 CFM (308 m³/h)
 Speed 3: 239 CFM (406 m³/h)
 Sleep Mode: 111.8 CFM (190 m³/h)
CADR by Particle¹˒²
Smoke: 239 CFM Dust: 231 CFM (392 m³/h)M Pollen: 240 CFM PM 2.5: 235 CFM (399.26 m³/h)
Coverage Area¹
60 mins: 1,793 square feet (1 ACH) 30 mins: 896 square feet (2 ACH) 15 mins: 448 square feet (4 ACH) 12 mins: 358.5 square feet (5 ACH)
Integrated Energy Factor (IEF)
3.6
Annual Energy consumption (KW-Hours/year)
374
AHAM Verifide at
373 square feet every 12.5 mins (4.8 ACH)
Filter Life²
3,000 hours (4-5 months)
Filter Configuration²
Pre-filter, HEPA, Active Carbon Composite
Sound Level
Speed 1: 40.5 dBA Speed 2: 50.3 dBA Speed 3: 53.3 dBA
 Sleep Mode: 40.5 dBA
On Wheels
No
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.
Download Product Manual
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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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