เคล็ดลับและบำรุงรักษาของใช้ในบ้าน ดูแลเครื่องใช้ไฟฟ้า Matching Your air purifier to your area sq. footage and kind is essential for it to work at its best. A general rule of thumb is to select an air purifier with a CADR that is at the very least two-thirds the size from the space. The Shark waiting for link from Social Network Posts (6)