ขึ้นอยู่กับประเภทของไส้กรองและการใช้งาน โดยปกติ In The course of peak allergy year, it's possible you'll think about buying a new air purifier for your house. Even when pollen counts are low, loads of other airborne contaminants can impression indoor air top quality, like dust mites, pet dander and mould spores. 97% of particulates. waiting for link from Social Network Posts (14)