Airfit N20 Cushion (M): The AirFit N20 Nasal Cushion by ResMed is a direct replacement nasal cushion for the AirFit N20 Nasal CPAP Mask and AirFit N20 for Her Nasal CPAP Mask. The cushion is available in three sizes and features InfinitySeal technology. | InfinitySeal Technology for Comfortable Fit: The AirFit N20 Nasal Cushion uses InfinitySeal technology to provide a comfortable seal and allow the mask to flex during sleep apnea therapy. The cushion design fits most facial features and reduces pressure on the nasal bridge by using a thinner material over the nose. | Measurements: Height - 10 cm, Weight - 50 gm, Breadth - 10 cm, Length - 10 cm | Three Sizes for Best Fit: AirFit N20 Nasal Cushion is offered in three sizes to ensure proper fit and comfort. Sizes available include Small, Medium, and Large. | This cushion is designed for the AirFit N20 series masks and is not compatible with any other mask. No other items included in this. Only the cushion.