The Philips Respironics OptiLife nasal pillow cushion is a replacement seal that fits easily onto the OptiLife mask frame
The cushion is made with a soft, comfortable silicone material that helps create a great seal between the user and the cushion
The cushions come in four sizes; petite, small, medium, and large. For best results, it is recommended to wash the seal daily from preventing facial oil and dirt build-up