MIDMARK IQSPIRO SPIROMETER MOUTHPIECES (2-100-1205) (2-100-1206) (2-100-1207). Disposable, designed exclusively for use with the Midmark IQspiro™ device to ensure accuracy and help prevent cross-contamination between patients. individually bagged. 25/BX, 100/CS, or 500/CS. See "Options" above for Packaging Selection.