Do any of your filters use any materials derived from corn, gluten, or soy? April 20, 2021 23:29 Updated Follow None of the AquaTru filters are made of material that contain corn, gluten or soy. Related articles Is the carbon filter made from coconuts shells? Does AquaTru come with filters or do we have to purchase them separately? How often do I need to change my filters? How do I descale my AquaTru or AquaTru Connect? Does Aquatru Connect use the same filters as the original AquaTru?