The Fit For 4396508 4396510 nlc240v 4392857 RFC0500A Refrigerator Water Filter 3Pack is a set of three water filters designed to fit specific refrigerator models. These filters are certified by NSF42 / NSF372 and use natural coconut shell activated carbon for filtration. They are capable of removing chlorine taste and odor, and are suitable for household use. With a filtration life of 6 months or 300 gallons, these filters provide clean and safe water for your kitchen. The filters are lead-free and have a capacity of 300 gallons, making them a reliable and efficient choice for your refrigerator. New in box, remodeled kitchen and got different fridge.