The PROJECT SOURCE Refrigerator Air Filter #3846774 1 pack is a  replacement filter designed specifically for refrigerators. Made by the brand Project Source, these filters are modelled after the PROJECT 3846774 model. These filters help to keep the air in your refrigerator clean and fresh, ensuring a better overall experience for you and your family. Easy to install and durable, this 2 pack is an essential accessory for maintaining the performance of your refrigerator.