ขึ้นอยู่กับประเภทของไส้กรองและการใช้งาน โดยปกติ Matching Your air purifier to the home sq. footage and kind is important for it to operate at its best. A typical rule of thumb is to choose an air purifier which has a CADR that's at least two-thirds the size of the room. 97% of particulates. “I https://mannatureairpurifier.com/