Philips Respironics DreamWear Headgear With Arms Oxlife You also have the option

You also have the option of selecting between a small or standard/medium frame

Drive-DeVilbiss iGo2 POC is a new portable oxygen concentrator providing oxygen for O2 patients

and breathability

the airflow can pass entirely through the other side without negatively effecting therapy pressure

Temperature 5°C to 35°C (41˚F to 95˚F)Relative Humidity: 15% to 93% Non-condensingAtmospheric Pressure: 760 ～ 1060 cm H2O

Philips Respironics DreamWear Headgear With Arms Oxlife You also have the optionThe Philips Respironics DreamWear Headgear With Arms functions similarly to eyeglass arms, reducing movement of both mask and headgear while sleeping, thereby reducing mask leaks and enabling more successful therapy. This headgear only fits DreamWear Nasal, Dreamwear Silicone Nasal Pillow, and DreamWear Gel Nasal Pillow Masks.