LG 5231JA2002A Refrigerator Replacement Cartridge Water Filter. This is a chemical and mechanical reduction filter. The LG 5231JA2002A refrigerator water filter fits in side-by-side LG refrigerators. It replaces part number 5231JA2002A for model 5231JA2002A-S. It reduces bad taste and odor as well as chlorine, dirt, rust and other particles. It helps reduce lime scale buildup and offers added protection for your ice maker. This LG 5231JA2002A water filter meets NSF/ANSI standard 42 for the reduction of Chlorine Class III and Particulates. You should replace your LG 5231JA2002A refrigerator water filter every six months or if your water has a bad taste or odor. Capacity: 500 gallons. For use with the following LG Electronics models: LSC26905SB, LSC26905SW, LSC26905TT, LRSC21951ST, LRSC21935SB, LRSC21935TT, LSC27910TT, LSC27910ST, LSC21943ST, LRSPC2031T, LSC27921ST, LSC27921SB, LSC27910SW, GRL207MSU, GRL207DTUA, LRSPC2031W, LRSPC2051ST, LRSPC2331T, GML277USQH, LRSPC2331W, LSC27921SW, LSC27921TT, GML277USRY, GML267BQRY, LRSPC2041T, GML277UTQH, GML277UTRY, GRL207ERA, GRL207TRA, GRD267DTU, LRSC21934SB, LRSC21934SW, LRSC21934TT, GRL247ERA, GRL247TRA, GRL227SSPA, GRL227SSPH, LRSC21935SW, GML267BNRY, GML277UQQH, GML277UVQH, LRSPC2661T, LRSPC2031BK, LRSPC2031BS, GML277UQRY, GML277UVRY, GRL217BTK, LRSPC2331BS, LRSC21951ST, LSC27910SB. Refer to your manual to ensure ordering the correct, compatible part.