มีประจุลบดักจับมลภาวะทางอากาศต่าง ๆ That Have has aided me Acquire objective data on their own lengthy-time period purifying effectiveness and any mechanical degradation. It's got also served me make educated judgments on variables for instance simplicity of upkeep and operation, the existence or lack of distracting noises or lights, and easy visual Successfully Submitted (Awaiting Approval)