Crystal Quest CQE-RC-04047 Pitcher Filter Cartridge With the Crystal Quest CQE-RC-04047 Water Pitcher Filter, you can enjoy chilled, healthy, and pure water at your convenience in your refrigerator The CRYSTAL QUEST CQE-RC-04047 Water Pitcher Filter Cartridge has a filter capacity2,000-Gallon The CRYSTAL QUEST CQE-RC-04047 Replacement Filter will last 6-12 months depending on your water usage and water quality