Airmega 250

Actually, Built quality is good but its Auto function on the Coway airmega 250s is like a pre timer setting, I have seen this for last 10 days that auto function change its speed after each 6 minutes, so noisy that I have to change its Auto mode at mid night. I actually got this air purifier. It's q

The Coway 250,300,400 are all better than the 450 which is a compromise unit Coway made to capture the “round purifiers look better” market.

With the 250 you turn the lights off manually including the little lights on the top. You turn it off manually unless you have the Wifi version where you can set the lights off settings in the app. With the Airmega 400 you can turn the main lights off manually, but not the little ones on the top. Th