ค่าไฟฟ้า : เครื่องประหยัดพลังงานจะช่วยลดค่าใช้จ่ายได้ในระยะยาว Matching Your air purifier for your home sq. footage and kind is important for it to work at its best. A standard general guideline is to select an air purifier by using a CADR that is at the very least two-thirds the scale of the space. Tiny waiting for link from Social Network Posts (13)