Can the iNAP be used with a nasal oxygen concentrator? CC Chen August 31, 2022 19:52 Updated Yes, the iNAP can be used with a nasal oxygen concentrator as the iNAP does not interfere with the cannula in the nose. Related articles How often should I change the disposables? How to change the pressure setting on iNAP? How do I know if I'm a mouth breather? How do drypads work? How do I clean the iNAP and accessories?