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 on most patients
Double tube configuration, not made with natural rubber latexProprietary valve mechanism eliminates acoustic leakageAdjustable aluminum binauralsConvenient 22" tubing length in 31 model optionsComplete with an accessory pouch containing the bell chestpieces, chestpiece key, 2 spare diaphragms, one pair of hard eartips and one pair of soft clear eartipsWeighs 7 oz.Overall length 30"5 Year WarrantyInspected and packaged in the U.S.A.