Air Quality research
Coway Airmega 400: Specifications, Sources, and Buying Context
Coway Airmega 400 specifications, source notes, and buying context based on published product information.
Written by BenchPicked Editorial Team · Sources checked May 13, 2026
What this page covers
This page organizes published product information, source notes, and buying context without presenting first-hand test results or medical conclusions.
Research summary
Specification basis
According to manufacturer specifications and published source data, Coway Airmega 400 is an air purifier. CADR values are dust 328 CFM, smoke 328 CFM, and pollen 400 CFM. Coverage is listed as 1560 sq ft. Filter type is pre-filter plus Max2 activated carbon and Green True HEPA filter.
Source boundaries
This page summarizes source-attributed specifications and does not present first-hand test results.
Published specs
| Field | Value | Source basis |
|---|---|---|
| Air Quality Sensor | pollution sensor | Source Attributed |
| Auto Mode | yes | Source Attributed |
| Brand | Coway | Source Attributed |
| Cadr Dust | 328 CFM | Source Attributed |
| Cadr Pollen | 400 CFM | Source Attributed |
| Cadr Smoke | 328 CFM | Source Attributed |
| Category | air purifier | Source Attributed |
| Coverage Area Sqft | 1560 sq ft | Source Attributed |
| Dimensions | 14.8 x 14.8 x 22.8 in | Source Attributed |
| Energy Star | yes | Source Attributed |
| Filter Type | pre-filter plus Max2 activated carbon and Green True HEPA filter | Source Attributed |
| Model | Airmega 400 | Source Attributed |
| Noise Level Db | 22-52 dB | Source Attributed |
| Power Consumption W | 66 W | Source Attributed |
| Price Range | $$$ | Source Attributed |
| Weight | 24.7 lb | Source Attributed |
Source notes
- Coway Official Airmega 400 Specifications · Manufacturer · Checked May 13, 2026
- AHAM Verifide Room Air Cleaner Directory · Industry Standard · Checked May 13, 2026
Questions
What CADR values are published for Coway Airmega 400?
Published CADR values for Coway Airmega 400: dust 328 CFM, smoke 328 CFM, pollen 400 CFM.
What room coverage is listed for Coway Airmega 400?
The selected sources list coverage for Coway Airmega 400 as 1560 sq ft.
What filter type does Coway Airmega 400 use?
The selected sources describe Coway Airmega 400 with pre-filter plus Max2 activated carbon and Green True HEPA filter.
How to use this page
Use this page as a source-attributed starting point. Check the published specs, read the methodology, and compare related pages before making a purchase decision.