Welcome to the Filtered Files, an information hub for filtration-related content! We cover all facets of air and water filtration and the products used in both. If you ever have a question about an aspect of filtration, this is where you can browse our files and absorb all the knowledge we’ve accumulated. From refrigerator filters, air filters, furnace filters, water filters, humidifiers, and dehumidifiers – no topic is left unexplored!