Carbon filtration improves the flavour and odour of your drinking water. Removes high quantities of rust, sediment, and pollutants from water, including chlorine, organic compounds, and pesticides. Provides delicious water to your icemaker and water dispenser.Good to know:Genuine LG Part: ADQ736939.Filtration certification per NSF standards NSF42, NSF53, NSF401.Provides cleaner, fresher and better-tasting water and ice for your family.Get peace of mind with NSF-certified LG filters that reduce contaminants.Provides high-quality drinking water by removing contaminants like pesticides, chemicals, and detergents.Removes 99.99% of cysts, 99% of asbestos and almost all mercury, lead, and benzene.Removes some herbicides, pesticides and pharmaceuticals that can be found in water.This genuine LG water filter comes in a box with comprehensive instructions and connects with easy-to-use twist lock fittings in line with the 1/4" water pipe running into the rear of your fridge to give filtered water to the fridge and ice machine. It is an original LG branded product that is a replacement for the LG fridge external filter variants.Replacement inline filter for LG Fridges using the following external water filter models: ADQ73693901, ADQ736939, 3650JD8050A, 3890JC2990A, 5231JA2010A, 5231JA2012A, 5231JA2010B, 5231JA2010A, BL9808, & composition K32010CBFor LG refrigerator models: GR-D257SL, GS-D665BSL, GS-D665PL, GS-L668PL, GS-V665MBL, GS-V635MBLC, GS-V635PLC, GS-D635MBLC, GS-D635PLC, GS-L635MBL, GS-L635PL, GS-L635PLF.