Return Policy on this device: only for defective products (30 days)
Coway Airmega 400S HEPA Air Purifier- Wifi Model
The new Coway Airmega 400S HEPA Air Purifier is the latest offering from Coway. It offers real time pollution monitoring, automated operation, and durable construction makes it the premier choice for large area cleaning. Plug easy for quiet unit into a standard 120-volt outlet to begin cleaning spaces up to 1,560 square feet with 410 cubic feet per minute (CFM) of airflow.
This product is designed with home in mind, which allows the design to be lightweight and smaller. Because of its lightweight design allows the Airmega 400 to fit in small spaces without disturbing your current environment. The design is such that it operates least possible noise possible when compared to leading air purifiers even at highest fan speed.
Dual Sided Filtration
The Aimega 400S is designed with two-sided filtration to ensure it covers large space at the same time remove pet hairs and other debris. The multi-stage filtration removes 99.97% of air borne allergens and particles as small as 0.3 microns.
Pre-Filter: Traps larger particles like dust, pet hair, and other debris, allowing the Max2 filter to eliminate smaller, hard-to-see allergens.
Combined Filtration: The Green True HEPA Filter eliminates dust and allergens, and is combined with an Activated Carbon Filter for odor elimination.
Filters on Both Sides: Filters are located on each side the body to provide optimal cleaning performance.
Filter Life Notifications: Two filter indicator buttons are located on top of the unit, the Max2 and Pre-Wash indicators. Remaining filter life is displayed at 5 lit sections on the indicator (100%, 80%, 60%, 40%, 20%). When all lights around the button go out and the letters on the button light up, the filters are at 0% and need to be replaced.
Adjusts to You
With included Smart Mode operation, the Airmega 300 automatically adjusts its settings to fit your lifestyle and needs. Selecting Smart on the touch control panel provides users with the ultimate in worry-free air cleaning.
Automatic Fan: Constantly monitoring your indoor, this smart air purifier will automatically adjust to 1 of 4 fan speeds that is best suited for current conditions.
Eco Mode: The fan will automatically turn off if air qualities have remained at the good level for 10 minutes or more. Should air quality begin to decrease, the fan will automatically restart.
Touch Control Panel: There’s not any dials or manual controls. All functions can be handled via the onboard electronic touch control panel.
Timer: Using the button located on the control panel, the timer can be set so that the purifier turns off after an hour, 4 hours, or 8 hours.
Handles: Located on each side of the purifier’s body, built-in handles allow for easier transportation.
Filter Protection: Durable, plastic covers protect filters from damage.
Air Outlet Cover: Located on the top of the unit, it makes sure the fan remains protected.
Long Warranty: 5-year limited warranty on motor and electric parts.
Color Options: Available in your choice of fresh white or classic graphite.
Airmega Product Overview 03:05
See the features of the Airmega air purifier
- Airmega 400S Smart Air Purifier
2 X Pre-Filter
2 X Max2 Filter
Certificate of Performance
Manufacturer's Warranty: 5-Year Limited Warranty
Coway Airmega 400S HEPA Air Purifier
5 years limited
Only if defective
Manufacturer-Suggested Room Size (sq. ft.):
1560 sq. ft.
CADR: Pollen Score:
CADR: Dust Score:
CADR: Smoke Score:
Pre-Filter, Washable HEPA Filter, Carbon Filter
Amount of Air Moved (Max CFM):
HEPA Filter Type:
Green True HEPA
Minimum Noise Level:
Maximum Noise Level:
L x B x H:
13.6" x 13.6" x 21.2"
AIRMEGA 400S, AP-2015E - Graphite
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