The Everflo oxygen concentrator filter is a necessary part of any air purifier. It helps to remove particles and other debris from the air, which can then be used to create healthier air. The filter is also easy to clean, so it’s important to keep it in good condition. To clean the filter, first remove all of the dust and dirt that has built up on it over time. Next, use a mild soap solution to clean the entire filter surface. Be sure to dry the filter before putting it back in place. Finally, replace any missing parts if needed.