Replacement CLEAR frame for the Wisp Nasal CPAP Mask. The Wisp CPAP Mask Frame by Philips Respironics is a superior replacement piece which will create a stable fit and secure seal for patients on a regular basis. This Respironics Wisp fabric frame is lightweight, easy to apply and has a pleasing gray color. This frame is reversible and has two different fabrics which will allow you to select the most appropriate cushion for you.