Pilairo Q Nasal Mask.  The low-profile frame is stable, durable and small, and ensures a clear line of sight. The delivery tube is lightweight, very flexible and designed to minimise pressure or pull on the face. The Q Cover ensures quieter use and minimal draft.  AirPillow Seal uses CPAP pressure to self-inflate to create an effective yet gentle double seal into and around the nose. The AirPillow Seal can move and flex in any direction without compromising the seal. This headgear fits a greater range of head sizes and enables sizing adjustment to the patient's preference.  Adjustable Headgear: This minimal headgear automatically adjusts to the wearer for a quick and easy fit.  Stretchwise Headgear: This headgear fits a greater range of head sizes and enables sizing adjustment to the patient's preference.