AIRMEGA 300S The Smarter App Enabled Air Purifier (Covers 1256 sq. ft.),Compatible with Alexa

Coway Airmega 300S App-Enabled Smart Air Purifier (Covers 1,256 sq. ft.), True HEPA Air Purifier with Smart Technology, Compatible with Amazon Alexa

Coway Airmega AP-1512HH(W) True HEPA Purifier with Air Quality Monitoring, Auto, Timer, Filter Indicator, and Eco Mode, 16.8 x 18.3 x 9.7, White

COWAY Air Purifiers for Bedroom Home up to 810 ft², True HEPA Filter for Smoke, Allergies, Pet Dander, Odor, AQI Monitor, Auto&Sleep Mode, Timer, Filter Indicator, Night Light, 3yr Warranty, 100 White