Our Professionals concur that filtration is key When selecting an air purifier, and spotlight two critical elements in acquiring helpful filtration: HEPA filters and an proper CADR. ตัวเครื่องอาจค่อนข้างใหญ่ไปสำหรับผู้ใช้บางท่าน The shortage of oversight is a priority — you're relying on makers to perform and report on these filter checks accurately, In Successfully Submitted (Awaiting Approval)