เครื่องถูกปิดผนึกอย่างแน่นหนาเพื่อกักเก็บสารมลพิษเอาไว้ Should You precisely want to address higher levels of volatile natural compounds (VOCs), we endorse the Austin Air HealthMate HM400. Like our other picks, it uses a HEPA filter to capture particulate pollutants. But it also consists of a huge, fifteen-pound adsorbent filter (composed of activated carbon and a Successfully Submitted (Awaiting Approval)