ขึ้นอยู่กับประเภทของไส้กรองและการใช้งาน โดยปกติ Matching Your air purifier on your space square footage and sort is essential for it to operate at its best. A common guideline is to settle on an air purifier with a CADR that is at the least two-thirds the scale of the place. Verify the CADR (thoroughly waiting for link from Social Network Posts (4)