ขึ้นอยู่กับประเภทของไส้กรองและการใช้งาน โดยปกติ The Coway 200M True HEPA Is a wonderful air purifier for homeowners of large-shedding or smelly Animals. It rivals our top-position BlueAir for general performance, however its protection region is a tad a lot less (361 sq. feet vs . the 456 sq. toes with the Blue Pure). waiting for link from Social Network Posts (25)