> Provides a more comfortable and stable fit with fixation under the chin.

> 15 small ventilation holes on the bridge of the nose for quiet operation, the holes minimize dead spaces.

> Double swivel elbow facilitates patient movement.

> Supplemental oxygen and pressure monitoring

> Free Motion Glider™ with clip provides freedom of movement with single motion refit.

> Anti-asphyxia / non-rebreather valve includes safety in case of flow source failure