Replacement cushions for Nasal Pillow CPAP Masks. We carry nasal pillow cushion replacements from leading CPAP manufacturers including Respironics and ResMed among many others. It is important to know that mask components will break down from nightly use. Here we offer over 25 different Nasal Pillow mask replacement cushions. Making sure to replace mask cushions every 3-6 months to meet compliance.