เครื่องถูกปิดผนึกอย่างแน่นหนาเพื่อกักเก็บสารมลพิษเอาไว้ When you exclusively need to address higher amounts of risky natural compounds (VOCs), we recommend the Austin Air HealthMate HM400. Like our other picks, it works by using a HEPA filter to seize particulate pollutants. But it also consists of a large, 15-pound adsorbent filter (composed of activated carbon https://www.mannature.com