เครื่องถูกปิดผนึกอย่างแน่นหนาเพื่อกักเก็บสารมลพิษเอาไว้ Adjustability: We Only picked air purifiers with no less than three adjustable velocity stages. Air purifiers can be loud at their highest velocity — possessing lower, quieter pace solutions, particularly in bedrooms, is vital, dependant on particular experience. Corbat endorses locating air purifiers analyzed and certified by AH... waiting for link from Social Network Posts (27)