The SpiroPure SP-WP500 Refrigerator Water Filter is a brand new, sealed product designed for use with Whirlpool and Kenmore refrigerators. With a capacity of 300 gallons, this filter features a 3-stage filtration system that uses coconut shell carbon to remove chlorine taste and odor, ensuring clean and refreshing water for your household. The white plastic filter is compatible with models such as 4396508, EDR4RXD1, and 46-9010, providing a convenient and effective solution for maintaining the quality of your water supply.