3L Calibration Syringe rau Spirometers
Lub koob txhaj tshuaj UBREATH Spirometer Calibration Syringe yog tsim los ua kom yooj yim rau cov txheej txheem ntawm kev ntsuas spirometer thiab xyuas kom meej tias cov khoom siv ua haujlwm kom raug. Lub koob txhaj tshuaj tuav tau 3 litres ntawm huab cua, uas tuaj yeem hla dhau lub spirometer raws li nws cov sijhawm saib xyuas thiab cov lus qhia.
Sau koj cov lus ntawm no thiab xa tuaj rau peb





