ดักจับฝุ่น สารก่อภูมิแพ้ และแบคทีเรีย two pounds of activated carbon and alumina, which need to enable it to be much better at capturing VOCs. However it’s expensive, the filters last only 6 months, and replacements cost about $two hundred. As outlined by AHAM , your air purifier ought to have a CADR https://www.mannature.com/products/detail/airpurifier