Philips Respironics Wisp Nasal Mask Swivel Elbow with Tubing Flow Rate 0-4000 cc/min Oxygen Regulator The details as following are

The details as following are not included in warranty range:

Shelf Life of 6 - 9 months when not in use before needing to be recharged

This filter is located adjacent to the oxygen cannula nozzle fitting and it is simple to remove and replace

Replace SideStream Disposable

Philips Respironics Wisp Nasal Mask Swivel Elbow with Tubing Flow Rate 0-4000 cc/min Oxygen Regulator The details as following areThis replacement short tube assembly (including elbow, short tube, and swivel) is designed for use with the Wisp Nasal CPAP Masks. COMPATIBILITY: This Short Tube Assembly is compatible with the Philips Respironics Wisp Nasal CPAP Mask.