If Your air high quality is poor and you simply don’t have an air purifier, an HVAC filter taped to the box fan is much better than almost nothing. ขนาดเล็กกะทัดรัดสามารถวางไว้ได้หลายที่ หลายมุม Two Coway filters that we acquired in February 2021 had a slight odor, and filters that arrived new in waiting for link from Social Network Posts (15)