Frame for AirFit F30i, AirTouch F30i Clear & AirFit X30i Series CPAP/BiLevel Masks Size:Standard Chinstraps are often used by

Chinstraps are often used by CPAP & BiPAP users to help keep the mouth closed during therapy

so it's easy to sleep on your side or stomach

comfortable temperature and humidity levels

The lightweight

The simplified cabinet design allows for 15% typical sound quality improvement and improved system cooling

Frame for AirFit F30i, AirTouch F30i Clear & AirFit X30i Series CPAP/BiLevel Masks Size:Standard Chinstraps are often used byThis unique, soft, silicone frame from ResMed is designed for use with all AirFit F30i & AirFit X30i CPAP BiPAP Masks. Because the frame is soft it adapts naturally to facial contours without pinching or pressure points; and it will accommodate almost any sleeping position. Three frame sizes Small, Standard & Large are available.