เครื่องถูกปิดผนึกอย่างแน่นหนาเพื่อกักเก็บสารมลพิษเอาไว้ 2 Pounds of activated carbon and alumina, which ought to help it become far greater at capturing VOCs. Nonetheless it’s pricey, the filters past only 6 months, and replacements Price about $two hundred. In accordance with AHAM , your air purifier must have a CADR rating such as about Successfully Submitted (Awaiting Approval)