The IcePure Plus RWF1000AH Replacement Refrigerator Water Filters are a 3 pack of white water filters made of plastic. They are designed to remove contaminants such as lead, mercury, and chlorine, making them suitable for household use. These filters are compatible with brands like Amana, Maytag, and Whirpool, ensuring a convenient and efficient way to purify your water for your refrigerator. Keep your water clean and fresh with these new, sealed replacement filters.