Threaded chestpiece drum of chrome plated zinc permits the use of five interchangeable chestpiece,
Fittings-an adult and pediatric diaphragm, and three bells (1 1/4'', 1'', 3/4'')
For complete, diagnostic capability in most patients
-Lax-free, double tube configuration
-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