เครื่องถูกปิดผนึกอย่างแน่นหนาเพื่อกักเก็บสารมลพิษเอาไว้ Should You exclusively need to address large amounts of volatile natural and organic compounds (VOCs), we suggest the Austin Air HealthMate HM400. Like our other picks, it uses a HEPA filter to capture particulate pollutants. But it also is made up of a large, fifteen-pound adsorbent filter (composed of Successfully Submitted (Awaiting Approval)