With this Aqualoon cartridge, you can enjoy all the benefits of this revolutionary filtration method: it can filter particles up to 3 microns more efficiently than other more commonly used filter media, such as sand, glass or cartridges. It saves energy thanks to its reduced washing frequency due to its efficiency, you can avoid blockages and increase the efficiency of scrubbers. Your replacement is not more difficult, it is simply to replace the new one with the old one (either aqualoon or conventional cartridge).