HEPA Stands for “significant-performance particulate air.” The filter engineering is the results of an industrial have to have that grew to become essential from the Atomic Age: high volumes of quite cleanse air, vital for your production of microprocessors and various delicate devices. จัดส่งฟรี! เมื่อสั่งซื้อเครื่องกรองอากาศทุกรุ่น CADR (clean up air shipping waiting for link from Social Network Posts (36)