641 Sprague Rappaport Magenta

Our exclusive design features an improved valve mechanism that virtually eliminates acoustic leakage and a chestpiece key to facilitate aftermarket service. The ADC Spragues feature: • Threaded chestpiece drum of chrome plated zinc permits the use of 5 interchangeable chestpiece fittings - an adult and pediatric diaphragm, and three bells (1-1/4", 1", 3/4") • Latex-free, double tube configuration for improved acoustic separation • Proprietary valve mechanism eliminates acoustic le