ขึ้นอยู่กับประเภทของไส้กรองและการใช้งาน โดยปกติ Matching Your air purifier on your room square footage and sort is essential for it to work at its best. A common guideline is to pick an air purifier which has a CADR which is a minimum of two-thirds the size in the home. I’ll by no means waiting for link from Social Network Posts (36)