Mouthpiece: solid plastic with no blue expiratory flap Inspiratory valve: blue circular valve that opens during inspiration and closes during expiration Expiratory opening: hole for expiration Expiratory resistors: different sized openings to resist breath out
All content and media on the CFPhysio website is created and published online for information purposes only. Before viewing the content on the this website you should read the website terms of use and privacy policy. The content in this website is not intended to be a substitute for professional medical advice and should not be relied upon as medical advice. If you have any concerns about your health, or concerns are raised from information on this website, please contact your treating doctor, qualified health professional or local clinic.