Medify Air MA-40 Air Purifier: CADR, Noise, Coverage & Specs
Last updated: Aug 23, 2026
Overview
Medify MA-40 UV Light Air Purifier with HEPA H14 filter covers up to 1,800 sq ft, removing 99.99% of particles down to 0.1 µm.
CADR and room size
CADR (smoke): 380 CFM.
What room size is the Medify Air MA-40 suitable for?
Recommended room size based on CADR: about 589 sq ft (CADR × 1.55).
Manufacturer claimed coverage: 1793 sq ft. This claim is higher than 3× CADR, so it is not used for ranking.
Filtration
What filter does it use?
HEPA H14.
Replacement interval: 4-5 months.
Noise
How loud is it?
Minimum reported noise: 46 dB.
Smart features
Does it have Wi-Fi?
No published Wi-Fi or app control in our sources.
True HEPA H14 filter, UV-C light, Touch panel with timer, Three fan speeds
Specifications
- CADR (smoke)
- 380 CFM
- Recommended room size
- 589 sq ft
- Manufacturer claimed coverage
- 1793 sq ft
- Noise
- 46 dB
- Filter type
- HEPA H14
- Filter replacement interval
- 4-5 months
- Power
- 54W
- Dimensions
- 22" H x 9.9" W x 10.9" D
- Weight
- 15.6 lbs
- Wi-Fi / app
- No
Comparisons
Methodology
Specifications are compiled from manufacturer documentation, product listings and other cited sources. See methodology.