HF20-MS Water Filters (made by American Filter Company (TM)Model # AFC-APH-104-9000S Comparable to Cuno (R) HF20-MS) Made in U.S.A - 3 Filters. Cuno (R) is a registered trademark of Cuno (R) Company. Cuno (R) is registered trademarks of their respective holders. American Filter Company and AmericanFilterCompany.com are not affiliated with Cuno (R).