QRS Diagnostic #Z-5000-2608 Mouthpiece QRS Orbit Spirometer MOUTHPIECE, SPIROMETER PRE-CALIBRATED DISP (100/BX) Individually-wrapped, and pre-calibrated Manufacturer # Z-5000-2608 Manufacturer QRS Diagnostic Country of Origin Unknown Application Mouthpiece For Use With QRS Orbit Spirometer UNSPSC Code 42271640 All QRS spirometers use pre-calibrated, disposable mouthpieces. These mouthpieces are individually calibrated during production using the same equipment LDS Hospital uses to validate spirometers against the American Thoracic Society's Recommendations for the Standardization of Spirometry. These pneumotachs are single patient use only.
