Description Do you need a replacement nasal cushion for your Wisp Nasal Mask? This Wisp Nasal CPAP Mask Cushion from Philips Respironics comes in petite, small/medium, large and extra large sizes. No prescription needed. Patented “tip-of the nose” cushion design, featuring auto seal groove technology. You enjoy a minimal contact experience with an exceptional seal. Made of silicone Sizing: The manufacturer offers the following information to assist you in selecting the correct size cushion for the Wisp. Measure the entire width of the nose — the outside of the nose from one side to the other. P = Approx 1-1/8 in S/M = Approx 1-1/2 in L = Approx 1-7/8 in XL = Approx 2-1/4 in
