ล็อกเด็ก / ตั้งเวลา / เตือนเปลี่ยนไส้กรอง Matching Your air purifier towards your room sq. footage and type is important for it to operate at its best. A common general guideline is to pick an air purifier by using a CADR that is certainly at least two-thirds the dimensions on the area. waiting for link from Social Network Posts