เครื่องถูกปิดผนึกอย่างแน่นหนาเพื่อกักเก็บสารมลพิษเอาไว้ Adjustability: We only picked air purifiers with at least a few adjustable speed stages. Air purifiers may be loud at their maximum speed — getting lessen, quieter pace alternatives, especially in bedrooms, is critical, dependant on personalized practical experience. We analyzed the Coway Airmega Icon purifier in April 2020. https://mannatureairpurifier.com/