Coway Airmega 400S Air Purifier for Large Rooms up to 3,120 sq. ft. | HEPA Smart Air Cleaner

The Coway Airmega 400S Air Purifier is a powerful HEPA air purifier for large rooms and whole-home coverage, designed to clean spaces up to 3,120 sq. ft. in just 60 minutes.

It effectively removes dust, smoke, allergens, pet dander, and household odors, helping you maintain cleaner and healthier indoor air every day.

Advanced HyperCaptive 3-Stage Filtration System

This large room air purifier uses a multi-layer filtration system:

• Pre-filter captures large dust and particles
• Activated carbon filter reduces odors and VOCs
• True HEPA filter removes 99.97% of particles as small as 0.3 microns

✔ Helps reduce allergies
✔ Removes smoke and airborne pollutants
✔ Captures pet dander and fine dust
✔ Improves overall indoor air quality

Smart Air Purifier with App Control

Control your air quality anytime using the IoCare mobile app:

• Real-time indoor & outdoor air quality (AQI monitoring)
• Filter replacement alerts
• Scheduling and fan speed control
• Smart Mode automation

Also compatible with Amazon Alexa voice control.

Smart Mode for Automatic Air Cleaning

The purifier automatically adjusts fan speed based on real-time air quality.

Benefits:
✔ Optimized energy use
✔ Continuous air purification
✔ Hands-free operation

Eco Mode Energy Saving

When air remains clean for 30+ minutes, Eco Mode turns off the fan automatically and reactivates only when pollution is detected.

Perfect For

• Large rooms and open spaces
• Whole-home air purification
• Allergy and asthma sufferers
• Pet owners
• Smoke and odor removal

Tested Performance & Reliability

• Captures ultra-fine particles as small as 0.01㎛
• HEPA filtration tested to international standards
• Reduces VOCs, ammonia, and harmful gases
• Performance verified under controlled laboratory conditions

(Actual performance may vary depending on the environment.)