換枕頭，更濾器

來源: 於 2022-02-08 19:03:30 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

http://kfqgw.beijing.gov.cn/hdjl/cjwt/202108/t20210827_2477934.html

 

更換空調加熱係統中的過濾器，選擇濾粉塵黴菌等級的 FPR8-9

Best Air Filters: FPR 8-9 filter out:

 

  • Large particles like household dust, lint, dust mites, pollen and pet dander
  • Small particles like bacteria and mold spores
  • Smoke, smog, microscopic allergens plus particles that can carry viruses