เครื่องถูกปิดผนึกอย่างแน่นหนาเพื่อกักเก็บสารมลพิษเอาไว้ Uncompromised Particle removal Blueair DualProtection filters are actually suitable for the last word particle, gas and odor elimination. That 3rd product ran at our office for over two many years straight when it absolutely was closed for that pandemic, all through which time the Workplace endured a little flood. Successfully Submitted (Awaiting Approval)