ค่าไฟฟ้า : เครื่องประหยัดพลังงานจะช่วยลดค่าใช้จ่ายได้ในระยะยาว Matching your air purifier to the room sq. footage and kind is essential for it to operate at its best. A general guideline is to select an air purifier that has a CADR that is at the least two-thirds the dimensions from the room. Proof of order https://mannatureairpurifier.com/