Our Professionals concur that filtration is key When picking an air purifier, and spotlight two essential aspects in finding powerful filtration: HEPA filters and an suitable CADR. มีขนาดกะทัดรัด พกพาไปใช้งานได้อย่างสะดวกในทุกที่ Two Coway filters that we obtained in February 2021 had a slight odor, and filters that arrived new in 2022 had Successfully Submitted (Awaiting Approval)