The Accerzone Ice and Water Refrigerator Filter 1 is a 2-pack of white filters with a purple cap, designed for the Aqua Optima brand. Made of plastic, this 2-stage filter is capable of removing chlorine taste and odor, providing clean and refreshing water for household use. With a capacity of 300 gallons and a manufacturer warranty of 3 months, this refrigerator filter is suitable for everyday use and is an essential addition to your kitchen for pure and delicious water.