วิธีเลือกซื้อเครื่องฟอกอากาศในห้องนอน เลือกอย่างไรให้คุ้มค่า Matching Your air purifier to the place square footage and type is important for it to operate at its best. A common general guideline is to settle on an air purifier having a CADR that is certainly not less than two-thirds the dimensions in the room. The MinusA2 waiting for link from Social Network Posts (46)