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- ADC’s legendary Sprague with a lightweight single tube design for greater comfort and convenience
- The 647 features:
- Threaded chestpiece drum permits the use of five interchangeable chestpiece fittings – an adult and pediatric diaphragm, and three bells (11/4″, 1″, 3/4″) – for complete diagnostic capability in most patients
- Latex-free extra thick “Y” tubing
- Proprietary valve mechanism eliminates acoustic leakage
- Adjustable chrome-plated brass binaurals
- Complete with an accessory pouch containing the bell chestpieces, chestpiece key, 2 spare diaphragms, one pair of mushroom eartips, and one pair of silicon eartips
- Inspected and packaged in the U.S.A
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