1Function: This professional replacement silicone nose cushion has helped millions of people with sleep apnea, obsuctive pulmonary disease and related problems, so they can breathe better and live better. 2For RESMED Mirage FX: This is a direct replacement nasal pad for RESMED Mirage FX, which is professionally made and can be used with confidence. 3Effectiveness: The carefully selected silicone material provides a comfortable sealing effect by using a thin material on the nose to reduce pressure on the nasal bridge. 4Stable and Firm: This nasal pillow cushion provides song stability and helps prevent the mask from moving out of place when you switch sleep positions. 5Fitted Nasal Cushion: The cushion is designed to fit most facial features, to ensure fit and comfort, allowing the nose to breathe freely and maximizing your satisfaction. Item Type:NasalCushionMaterial: SiliconeFitment: Fit for RESMEDMirageFX 1 x NasalSiliconePillow