This listing is for one used Whirlpool refrigerator water filter housing. Part # W11162041 was removed from Whirlpool refrigerator model # WRS321SDHZ01 and is in great working condition. Will fit several different makes and models. May have typical signs of being a used part such as minor rust, staining or scratches. If you are unsure if this is the correct part for your refrigerator, please contact us and we will verify for you.