วิธีเลือกซื้อเครื่องฟอกอากาศในห้องนอน เลือกอย่างไรให้คุ้มค่า The Coway 200M Genuine HEPA Is an excellent air purifier for owners of heavy-shedding or smelly Animals. It rivals our best-ranking BlueAir for general performance, while its coverage area is a little bit a lot less (361 square toes as opposed to the 456 sq. feet in the waiting for link from Social Network Posts (23)