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 (11/4", 1", 3/4") - for complete diagnostic capability in most patients
Complete with an accessory pouch containing the bell chest pieces, chest piece key, two spare diaphragms, one pair of mushroom ear tips, and one pair of silicon ear tips