ICEPURE RWF3900A Refrigerator Water Filter : Compatible replacement models Liebherr –7440000, 7440002, 744000200, 7440-002, 7440 002-00 / 019 7731240, 7731240-00, 9881-227, 9881227, 53-WF-26LR, 0053-WF-26LR, FilterLogic –FFL-195LH AquaHouse–AH-LEB EcoAqua –EFF-6043A Compatible refrigerator models CNes-5166 , CBNes-6256, CBNPes-4878 , CNef-4825 , CNPes-4868 ,ECBN-5066 , ECBN-5066 , ECBN-6156 , ECBN-6256 , ECBN-6156 , ECBN-6256 , ICBN-3386 , Features About the material: the filter media is high-quality coconut shell-activated carbon, which has a great capacity to absorb Chlorine in water. And that our natural coconut shell activated Carbon is NSF certified, BPA-FREE & LEAD-FREE, and harmless to the human body. About the delivery: your order will be handled within 1 business day, and delivered within 2-3 business days. About the installation: no tool is required, very easy to make it. Warm Tips Before use: Run water from the dispenser for 6-8minutes (about 3-4 gallons) to clear the system and prevent sputtering. Filtration life: 6 months/300 gallons (depends on water quality and level of contaminants), please change your filter at least every 6 months to keep the water fresh. All the brands or models that the item is compatible with are just for customers’ reference. The item brand is IcePure, an independent brand.