HEPA stands for “large-effectiveness particulate air.” The filter technological know-how is the result of an industrial want that became significant while in the Atomic Age: higher volumes of quite thoroughly clean air, vital for your creation of microprocessors together with other sensitive instruments. มีขนาดกะทัดรัด พกพาไปใช้งานได้อย่างสะดวกในทุกที่ CADR (clean air supply score) https://mannatureairpurifier.com/