มาพร้อมคุณภาพความเชื่อมั่น มาตรฐาน และรางวัลมากมาย Adjustability: We Only picked air purifiers with at least 3 adjustable speed ranges. Air purifiers may be loud at their highest pace — having decreased, quieter pace possibilities, particularly in bedrooms, is very important, depending on own experience. The GermGuardian AC4825 has been around for years and waiting for link from Social Network Posts (42)