เครื่องถูกปิดผนึกอย่างแน่นหนาเพื่อกักเก็บสารมลพิษเอาไว้ According To the Environmental Protection Agency, the air inside your residence could possibly be additional polluted than the air outdoors, even if you live in a sizable city center. Two Coway filters that we bought in February 2021 experienced a slight odor, and filters that arrived new in 2022 Successfully Submitted (Awaiting Approval)