Our Authorities agree that filtration is vital when choosing an air purifier, and spotlight two significant elements in receiving powerful filtration: HEPA filters and an proper CADR. จัดส่งฟรี! เมื่อสั่งซื้อเครื่องกรองอากาศทุกรุ่น The dearth of oversight is a priority — you are counting on suppliers to conduct and report on these filter checks Successfully Submitted (Awaiting Approval)