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Item arrives in packaging that reveals what’s inside and can’t be hidden. If this is a gift, consider shipping to a different address.

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3 Year Housewares Protection Plan

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  • Other breakdowns covered after the manufacturer's warranty expires.
  • File a claim online or by phone 24/7. If we can't repair it, we'll replace it or reimburse the purchase price with an Amazon e-gift card.
  • Plans are only valid for new or certified refurbished products purchased in the last 30 days with no pre-existing damage. Protection plan documents will be delivered via email within 24 hours of purchase.

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AIRMEGA 400S The Smarter App Enabled Air Purifier (Covers 1560 sq. ft.),Compatible with Alexa

4.3 out of 5 stars 468 ratings

Was: $637.11
Price: $567.23 & FREE Shipping. Details & FREE Returns
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You Save: $69.88 (11%)
White
1560 sq. ft.
Air Purifier
  • Coway Airmega 400S is designed to accommodate large room sizes up to 1, 560 square feet and cleans the air at least two times per hour when used as recommended.
  • Coway Airmega Max2 filter – combined activated carbon and True HEPA filter – captures and reduces up to 99.97% of particles 0.3 microns in the air, including pollen, pollutants and other allergens. It also reduces more than 99% of volatile organic compounds and reduces fumes such as NH3 and CH3CHO. It also includes washable and permanent pre-filter to catch larger dust particles.
  • Coway Airmega’s pollution sensor communicates indoor air quality testing in real-time. The brightly colored LED ring lets you know how clean or dirty your indoor air is every minute of the day.
  • Coway Airmega has five fan modes: Smart, Sleep, Low, Medium and High. The noise level is nearly silent at lower speeds and the max noise it creates at the highest setting is 43. 2 dB.
  • Smart mode with three settings, Coway Airmega smart air purifier adapts to its surroundings. Fan speed automatically adjusts based on the room's air quality and lighting conditions to improve air quality.
  • Coway Airmega has a timer with 1, 2, 4 and 8-hour settings, plus indicators for filter lifetime for both the washable pre-filter and Max2 filter.
  • Coway Airmega IoCare mobile application includes indoor and outdoor air quality monitoring, filter notification, speed, and smart mode control and scheduling. Coway Airmega also works with Alexa and Dash Replenishment.
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Frequently bought together

  • AIRMEGA 400S The Smarter App Enabled Air Purifier (Covers 1560 sq. ft.),Compatible with Alexa
  • +
  • AIRMEGA Max 2 Air Purifier Replacement Filter Set for 400/400S
  • +
  • Coway AP-1512HH-FP AP-1512HH Replacement filter
Total price: $741.99
Buy the selected items together

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From the manufacturer

400S Graphite 400S White 400 Graphite 400 White 300S White 300 White
App & Alexa & DRS Yes(IOS, Android) Yes(IOS, Android) - - Yes(IOS, Android) -
Coverage 1,560 sq. ft. 1,560 sq. ft. 1,560 sq. ft. 1,560 sq. ft. 1,256 sq. ft. 1,256 sq. ft.
Auto Mode Yes Yes Yes Yes Yes Yes
Eco Mode Yes Yes Yes Yes Yes Yes
Sleep Mode Automatic Automatic Automatic Automatic Manual Manual
Filters Washable Pre-Filter+Max2 Filter Set(Activated Carbon+Green True HEPA) Washable Pre-Filter+Max2 Filter Set(Activated Carbon+Green True HEPA) Washable Pre-Filter+Max2 Filter Set(Activated Carbon+Green True HEPA) Washable Pre-Filter+Max2 Filter Set(Activated Carbon+Green True HEPA) Washable Pre-Filter+Max2 Filter Set(Activated Carbon+Green True HEPA) Washable Pre-Filter+Max2 Filter Set(Activated Carbon+Green True HEPA)
Pollution Indicator Yes (4 Levels) Yes (4 Levels) Yes (4 Levels) Yes (4 Levels) Yes (4 Levels) Yes (4 Levels)
Filter Life Time Indicator Yes Yes Yes Yes Yes Yes
Fan Speed Sleep, Low, Medium, High Sleep, Low, Medium, High Sleep, Low, Medium, High Sleep, Low, Medium, High Sleep, Low, Medium, High Sleep, Low, Medium, High
Timer & Scheduler Timer 1, 2, 4, 8 Hr & Scheduler Timer 1, 2, 4, 8 Hr & Scheduler Timer 1, 4, 8 Hr Timer 1, 4, 8 Hr Timer 1, 2, 4, 8 Hr & Scheduler Timer 1, 4, 8 Hr

Product description

Color:White  |  Size:1560 sq. ft.  |  Style Name:Air Purifier

The most advanced air purifier developed by Coway. Air mega is a connected air purifier, that intelligently, effectively and quietly cleans the air in your home. Its dual-filtration system removes 99.97percent of particulate matter from the air, while the accompanying air mega mobile app (IOS and Android) allows you to monitor and manage air quality from almost anywhere.

Room Coverage 2 air changes/hr.*: 1,560 sq. ft. (145 sq. m) 4 air changes/hr.**: 780 sq. ft. (72 sq. m)

Filter: Washable pre-filter + Max2 filter set

Noise Level: 22~52 dB


Product information

Color:White  |  Size:1560 sq. ft.  |  Style Name:Air Purifier

Technical Specification

User Manual [PDF ]

Warranty & Support

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Customer Rating 4.3 out of 5 stars (468) 4.6 out of 5 stars (337) 4.7 out of 5 stars (9395) 4.6 out of 5 stars (518) 4.7 out of 5 stars (7021) 4.6 out of 5 stars (416)
Price $567.23 $575.19 $99.99 $569.99 $178.31 $495.00
Sold By Amazon.com Amazon.com Amazon.com CostLess Wholesale Amazon.com Medify Air
Color White Graphite/Silver White White Charcoal Gray White
Item Dimensions 14.80 x 14.80 x 22.80 inches 14.80 x 14.80 x 22.80 inches 8.70 x 8.70 x 14.20 inches 14.80 x 22.91 x 14.80 inches 15.00 x 8.20 x 23.60 inches 28.00 x 16.00 x 15.00 inches
Item Weight 24.70 lbs 24.70 lbs 24.70 lbs 15.40 lbs 32.00 lbs

Customer Questions & Answers
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