มีประจุลบดักจับมลภาวะทางอากาศต่าง ๆ Adjustability: We Only picked air purifiers with not less than a few adjustable velocity amounts. Air purifiers is usually loud at their greatest pace — possessing decreased, quieter velocity choices, particularly in bedrooms, is very important, based upon private practical experience. We analyzed the Coway Airmega Icon purifier Successfully Submitted (Awaiting Approval)