Resmed S9 H5i Cleanable Chamber mask Any headgear size can be

Any headgear size can be used with any DreamWisp mask

G3 uses oscillating wave technology to determine which type of apneas are best treated with changes in airflow and pressure

From Resmed

Auto fit frame automatically adapts to any face shape

The marking on the bottom of the cushion indicates the size and they have a reference point of L and R for left and right

Resmed S9 H5i Cleanable Chamber mask Any headgear size can beThe H5i Cleanable chamber is designed for the H5i Humidifier which attaches to the S9 CPAP series. It has a stainless steel base and can be opened for cleaning and has a water measurement gauge to tell you where to fill the water level to. The stainless steel base prevent corrosion but it is still recommended that it is used with Distilled water. The simple clipping system prevents water leakage and assists in preventing water entering into the CPAP