HEPA stands for “substantial-performance particulate air.” The filter engineering is the result of an industrial need to have that became essential from the Atomic Age: significant volumes of really clean up air, important for that manufacture of microprocessors and also other sensitive instruments. ขนาดเล็กกะทัดรัดสามารถวางไว้ได้หลายที่ หลายมุม Besides a HEPA filter, the https://www.mannature.com/products/detail/airpurifier