Medify MA-40 True HEPA Purifier
The Medify MA-40 True HEPA Purifier delivers verified AHAM CADR performance (380 Smoke / 380 Dust) for rooms up to 840 sq ft. Featuring multi-stage H13 True HEPA and active odor adsorption.
3-Year True Cost of Ownership Model
AHAM AC-1 verified room air filtration throughput for fine particulate and smoke reduction.
Acoustically evaluated across whisper-quiet sleep mode and maximum turbo airflow settings.
Sized for 4.8 air changes per hour (ACH) in designated living room and bedroom layouts.
Total routine scheduled replacement filter expense projected over continuous operation.
- Certified 380 Smoke CADR rating
- Whisper-quiet sleep mode (38)
- Energy Star low power consumption
- Real-time air quality sensor
- Replacement filter required every 6 to 12 months
- Coverage capped at 840 sq ft
Verified Engineering Specifications
| Nominal Dimensions | Round / Custom Cartridge | Actual Dimensions | Integrated Machine Unit |
|---|---|---|---|
| Filter Depth | Standalone Unit | Media Construction | H13 True HEPA & Granular Carbon |
| Initial Resistance | Integrated Variable Multi-Speed Blower | Airflow Capacity | 347 sq ft @ 4.8 ACH (840 sq ft @ 2 ACH) |
| Smoke CADR | 224 CFM | Dust / Pollen CADR | 224 / 224 CFM |
| Acoustic Noise | 38 – 56 dB | Rated Room Coverage | 347 sq ft @ 4.8 ACH (840 sq ft @ 2 ACH) |
| Replacement Filter Cost | $59.99 | Replacement Interval | Every 4–6 Months (3,000 Hours) |
| Annual Consumable Cost | $119.98/yr | Compatible Equipment | Medify Air MA-40 System |
Our Take on the Medify MA-40 True HEPA Purifier
An exceptionally reliable room air purifier with whisper-quiet operation (38 min noise) and proven particle removal.
Filtration Performance Note
Traps 99.97% of particles down to 0.3 microns, including pollen, pet dander, mold spores, and airborne smoke particles.
Installation, Airflow Direction & Maintenance Protocol
Place 12 inches away from walls for unobstructed 360-degree intake. Replace HEPA filter when indicator light illuminates.
Common Questions About the Medify MA-40 True HEPA Purifier
What size room can the Medify MA-40 True HEPA Purifier handle?
It is certified for rooms up to 840 sq ft, completing roughly 5 air changes per hour in spaces of that volume.
How noisy is this purifier on low speed?
On its lowest setting, sound levels drop to 38, which is quieter than a gentle whisper.
How much do replacement filters cost for the MA-40?
Official ME-40 Replacement Filters typically cost between $30 and $45 per cycle.
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Levoit EverestAir Smart Air Purifier
When to choose: Alternative large-room air purifier with similar CADR profile.