Philips Tube Assembly with Elbow & Swivel for Wisp Nasal Mask is the 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 Masks only.

Good product, perfectly fit with my CPAP – Tube
Very much happy
Very seasonably priced.
Nice response