The LG 5231JA2010B Fridge Water Filter Replacement includes genuine and highly effective LG external fridge filters with activated carbon for crystal clear water and improved taste, reducing chlorine and odors. Tested and certified by NSF standard 42, the LG water filter ensures the reduction of chlorine, taste, and odors, providing purified and fresh-tasting water and ice on demand from your water/ice dispenser. Quick and easy to change, featuring ¼ Push Fit connections at either end for convenient filter replacement. This filter also is directly compatible with the LG adq736939