ADC ADSCOPE-Lite - Lightweight Stethoscope is affordably priced. Features an extra large non-chill 1 3/8" diameter bell, a 1 3/4" diaphragm, 22" PVC tubing, Adsoft PVC eartips and spare diaphragm included. Compares to 3M Littmann - Classic II SE Stethoscope (3M2203). Color Choice: Black, Burgundy. Sold by the each.