3M Littmann Master Cardiology Stethoscope - Black Scalpvein Sets QRS 3L Calibration Syringe is

QRS 3L Calibration Syringe is suited for use with the QRS Orbit Spirometer

• Manufactured by 3M

• Sold individually

The lightweight and adjustable binaurals and eartips make them perfect for listening to cardiac

3M Littmann Master Cardiology Stethoscope - Black Scalpvein Sets QRS 3L Calibration Syringe isLittmann Master Cardiology Stethoscope Black is characterised by the best acoustic response in the Littmann mechanical stethoscope line; with a tunable diaphragm, dual lumen tubing, and a precision, ergonomically designed, stainless steel chestpiece. Outstanding acoustics: The highest in Littmann mechanical stethoscopes. Tunable diaphragm: Hear high or low frequency sounds by slightly adjusting pressure on the chestpiece. Dual lumen tubing: Two sound