The AQUATru AT2002 Reverse Osmosis Stage 3 Replacement Water Filter is a high-quality water filter designed for use in the United States. Made by the brand Aquatru, this filter is specifically compatible with the AT2002 model and utilizes reverse osmosis filtration method to ensure clean and safe drinking water. With this filter, you can trust that your water is being purified effectively to provide you and your family with fresh and healthy hydration.