Change filter frequency: every 4-6 months. ADQ32617703 LG M7241242FR-06 M7251242F-06 M7251253FR-06 M7251253F-06 ADQ32617701. Replace every 3- 6 months for best performance. Eco friendly filter uses coconut shell carbon ( Renewable Resource), the earth’s most powerful natural filter while keeping plastic water bottles out of our landfills water.