Product Description

This is disposable mouthpiece with long breathing tube which patented in China, only for Ruichao/Ganshorn Carido Pulmonary Diagnostic system,every patient requried to have an new One for PFT test. 

Exchange it very easy,just pull out the old one and inster the new one.

replace it to guarantee there are on common breathing airway, this is uniqure desgin for no hygenic problem compare to traditional PFT test.