HEPA Stands for “substantial-effectiveness particulate air.” The filter engineering is the result of an industrial need to have that turned essential within the Atomic Age: significant volumes of pretty cleanse air, critical with the production of microprocessors and various delicate devices. กิจกรรมเพื่อสาธารณะประโยชน์ของบริษัท The filter on The underside has actually been waiting for link from Social Network Posts (46)