Samsung Genuine Refrigerator Water Filters give your family clean, fresh water, while protecting your refrigerator and home from potential damage. This filter uses a powerful concentrated carbon filter to eliminate over 99 percent of potentially harmful contaminants. Samsung Genuine filters are produced in both Korea and Mexico. Shipping Note: Shipping to PO Boxes and APO addresses is not available for this item. Connectivity - Wi-Fi - 802.11 a/b/g/n/ac 2.4 GHz + 5 GHz. 1) Detach the Authentication Tag from the filter. 2) Place the Tag over the back of the provided magnet. 3) Green stripes will appear if it’s an authentic Samsung water filter.