Sealed and unused Product Description Samsung Genuine Water Filters are to reduce contaminants, for fresh-tasting water. Product comes in two package types. See product images for both versions of packaging. All Samsung water filters are tested and certified. Remove over 99% of numerous potentially harmful contaminants, using a high grade carbon block. Please place the old filter back in the filter holder and ensure to turn it completely to the unlock position prior to pulling out. Once this is done the new filter will fit in properly.