OEM Yuwell Oxygen Generator Filter Cotton Felt Filter Membrane Accessories Product Description Introducing the Disposable Airway Pressure Filters by Yuwell, the ideal solution for maintaining the quality and efficiency of your CPAP machine. Designed specifically for use with the Yuwell Oxygen Concentrator, these Disposable CPAP Air Filters are a must-have accessory to ensure a clean and healthy airflow. Each pack contains 1000 filters, providing you with an ample supply to