Need replacement pillows for your Nuance or Nuance Pro CPAP Mask? This is a pair of Nuance Pro Gel Nasal Pillows for use with the Nuance and Nuance Pro only in the size selected. These gel nasal pillows will not work with other nasal pillow masks. This is a medium with a part # of 1105174. CPAP America is your one-stop-shop for all of your sleep apnea needs!