Designed to provide undercast protection

The thin and highly flexible hydrocolloid skin barrier provides gentle adherence to the skin

Strong material for extra support

3-1/4" opening placed 1" from bottom

3" conforming gauze roll bandage

Whisper II Exhalation Port for Selected Older Respironics CPAP/BiPAP Masks Sold By:1 Each Designed to provide undercast protectionRespironics Whisper II Exhalation Port for Selected Older Respironics CPAP BiPAP MasksThis Whisper Swivel is used to remove excess waste gasses from some older Respironics CPAP BiPAP masks. It should only be used on Reusable Silicone Contour Masks, Gold Seal Masks, and some older ProfileLite Masks that did not come with a swivel. DO NOT use this Whisper Swivel on any other masks than those mentioned.