คุณภาพและการรับประกันที่เชื่อมันได้ Adjustability: We only picked air purifiers with at least three adjustable speed ranges. Air purifiers could be loud at their highest speed — getting lower, quieter speed options, specifically in bedrooms, is very important, according to private knowledge. According to AHAM , your air purifier ought to have a https://www.mannature.com/products/detail/airpurifier