Our Authorities concur that filtration is key When picking an air purifier, and highlight two vital elements in finding successful filtration: HEPA filters and an acceptable CADR. Uncompromised particle removal Blueair DualProtection filters have already been made for the ultimate particle, fuel and odor elimination. ดักจับฝุ่น สารก่อภูมิแพ้ และแบคทีเรีย The Ecosphere https://www.mannature.com/products/detail/airpurifier