These updated replacement nasal pillows are designed for use with all Opus and Opus 360 (HC482) Nasal Pillow CPAP/BiPAP Masks. Updated nasal pillows feature a new smooth contoured shape designed to keep the silicone seal "off the lip" for maximum comfort. Each pack contains one nasal pillows cushion.
Sizing Information: Opus nasal pillows are available in three sizes -- Small, Medium and Large. Any size nasal pillows can be used with any Opus mask.