The AquaCrest AQF-00003G-D3 is a replacement water filter for Samsung refrigerators. It reduces contaminants and improves the taste and smell of your drinking water. Tested and certified by NSF International, it meets rigorous standards for performance and safety. Installation is easy - simply remove the old filter and twist in the new one. For optimal performance, replace the filter every 6 months or 300 gallons. Experience cleaner, fresher water with AquaCrest AQF-00003G-D3.