เครื่องถูกปิดผนึกอย่างแน่นหนาเพื่อกักเก็บสารมลพิษเอาไว้ Adjustability: We only picked air purifiers with at the least 3 adjustable pace ranges. Air purifiers is often loud at their optimum velocity — acquiring lessen, quieter velocity possibilities, particularly in bedrooms, is very important, according to personalized knowledge. We analyzed the Coway Airmega Icon purifier in April 2020. https://www.mannature.com