ขึ้นอยู่กับประเภทของไส้กรองและการใช้งาน โดยปกติ The Coway 200M True HEPA Is an excellent air purifier for owners of heavy-shedding or smelly Animals. It rivals our best-rating BlueAir for efficiency, even though its coverage area is somewhat significantly less (361 square toes as opposed to the 456 sq. ft of the Blue Pure). 97% waiting for link from Social Network Posts (10)