This unit holds 5qt insert

Safety Features:

As a result of its modular design

calibration and safety verification

ADC Adscope 641 Stethoscope (New) OBGYN Table This unit holds 5qt insertTheAdscope641 Sprague features: Threaded chest piece drum of chrome plated zinc permits the use of five interchangeable chest piece fittings an adult and pediatric diaphragm, and three bells (1 1 4", 1", 3 4") for complete diagnostic capability on most patients Double tube configuration, not made with natural rubber latex Proprietary valve mechanism eliminates acoustic leakage Adjustable aluminum binaural Convenient 22" tubing length in 31 model