Sunset Intake Filter for Rhythm LM5CA Oxygen Concentrator Premium replacement CPAP filter accessories engineered specifically for compatibility with the Rhythm LM5CA Oxygen Concentrator. These high-quality intake filters deliver optimal performance and reliable air purification for medical oxygen delivery systems, helping protect the concentrator and maintain consistent airflow. Product Specifications Material Plastic Product Dimensions 5.20" × 2.44" × 2.20" Compatible