วิธีเลือกซื้อเครื่องฟอกอากาศในห้องนอน เลือกอย่างไรให้คุ้มค่า The Coway 200M Real HEPA Is an excellent air purifier for house owners of large-shedding or smelly pets. It rivals our major-rating BlueAir for overall performance, while its coverage location is a little bit considerably less (361 square feet vs . the 456 sq. ft with the Blue waiting for link from Social Network Posts (48)