AP430 Water Filters (made by American Filter Company (TM) Model # AFC-431 Comparable to 3M Aquapure (R) AP430) Made in the U.S.A - 3 Filters. 3M Aquapure (R) is a registered trademark of 3M Aquapure (R) Company. 3M Aquapure (R) is registered trademarks of their respective holders. American Filter Company and AmericanFilterCompany.com are not affiliated with 3M Aquapure (R).