The 2 Pack GE FQK1K Under Sink Refrigerator Replacement Water Filter Cartridge is a high-quality water filter designed for household use. Made of metal with a 3-stage filtration method, this filter can remove chlorine taste and odor, providing clean and fresh water for your convenience. Compatible with Aqua Optima and GE brands, this filter has a capacity of 150 gallons and comes with a manufacturer warranty of 6 months. Produced in the United States, this filter is ideal for maintaining a clean and pure water supply in your home.