HEPA Stands for “superior-performance particulate air.” The filter technology is the result of an industrial will need that became significant from the Atomic Age: higher volumes of really cleanse air, critical with the creation of microprocessors and also other sensitive instruments. จัดส่งฟรี! เมื่อสั่งซื้อเครื่องกรองอากาศทุกรุ่น The Blue Pure 211+ aced our tests, Successfully Submitted (Awaiting Approval)