จัดส่งฟรี! เมื่อสั่งซื้อเครื่องกรองอากาศทุกรุ่น Pretty much just like our prime pick on attributes and efficiency, this purifier is a good alternative if you prefer its seems to be or come across it at an improved price. Based on AHAM , your air purifier must have a CADR rating such as about two-thirds https://www.mannature.com/products/detail/airpurifier