The Frigidaire Refrigerator Air Filters Project Source AF-3-2 *TWIN PACK* are essential components for maintaining the cleanliness and efficiency of your refrigerator. Manufactured by Project Source, Frigidaire Paultra, these air filters are designed for built-in/integrated installation and are powered by electricity. This set includes 2 air filters, ensuring that you have a spare on hand for when you need it. Made in China, these high-quality filters are a reliable and convenient solution for keeping your refrigerator running smoothly.