This replacement Filter Cover is specifically crafted for the Rhythm P2 Series Portable Oxygen Concentrator. It effectively filters out dust and debris in your surroundings, preventing them from entering your concentrator. Located on the side of your P2 Series device, this cover should be cleaned periodically using warm, soapy water and allowed to air dry thoroughly before reattaching. Be sure to replace the filter cover when it shows signs of damage or wear. This White Filter Cover is compatible with the Lifestyle Rhythm P2 portable oxygen concentrator. Regular maintenance of the filter cover helps ensure optimal performance of your concentrator by keeping internal components free from dust and particle buildup.