เครื่องถูกปิดผนึกอย่างแน่นหนาเพื่อกักเก็บสารมลพิษเอาไว้ Adjustability: We Only picked air purifiers with at the least three adjustable velocity ranges. Air purifiers is often loud at their maximum velocity — possessing lower, quieter pace solutions, particularly in bedrooms, is very important, determined by individual knowledge. Two Coway filters that we obtained in February 2021 expe... https://www.mannature.com