ช่วยกระตุ้นการสร้างเซลล์ใหม่ ให้ร่างกายสดชื่น Adjustability: We Only picked air purifiers with at the very least 3 adjustable speed concentrations. Air purifiers might be loud at their greatest speed — having decreased, quieter speed options, specifically in bedrooms, is very important, based on particular expertise. According to AHAM , your air purifier should Successfully Submitted (Awaiting Approval)