The Philips Respironics Wisp Nasal CPAP Mask Replacement Frame is the replacement frame for the Wisp Nasal CPAP Mask. The Frame offers two frame options in different materials, the fabric and clear silicone. The sleek silicone frame is lightweight and flexible with smooth, surfaces that conform to your facial contours and follow your every move. The soft fabric frame is reversible with (two) different fabrics so the CPAP user has an option to choose the side that feels best. Soft fabric and sleek silicone frames are interchangeable so any frame can be used with any Wisp mask.The cushion and the headgear are not included.