HEPA Means “higher-efficiency particulate air.” The filter technologies is the result of an industrial have to have that grew to become crucial during the Atomic Age: significant volumes of extremely clear air, very important for the production of microprocessors and also other delicate devices. กลิ่นไม่พึงประสงค์ เช่น ควันบุหรี่ น้ำเน่าริมทาง เป็นต้น The waiting for link from Social Network Posts (36)