#spirometer breathing exerciser

[deebbiemedzer]

Portable Spirometer PSMM-1000A; Parameters of measurement=vital-capacity-vc-lt-br-gt-lt-hr-gt-forced-vital-capacity-fvc-lt-br-gt-lt-hr-gt-ma

Portable Spirometer Parameters of measurement=vital-capacity-vc-lt-br-gt-lt-hr-gt-forced-vital-capacity-fvc-lt-br-gt-lt-hr-gt-maximum-voluntary-ventilation-mvv-lt-hr-gt; Dot LCD=5-7-inch-320-x-240; Measurement of time=vc-time-50-sec-lt-br-gt-lt-hr-gt-fvc-time-25-sec-