EquipNet is the world's leading global provider of used carbon filters and various other preowned equipment and products. Our exclusive contracts with our clients yield a wide range of used carbon filters from a number of respected OEMs, including Cuno and many others. EquipNet is constantly receiving used carbon filters of various makes and models. If you do not see the used carbon filters you are looking for, call one of our representatives and we will find it for you. We can also source the right tooling and change parts that you need through our huge network of corporate clients from around the globe.