Sprague Rappaport Stethoscope provides versatility for use on infants, children and adults. There are three bell sizes (adult, medium, and infant) and two diaphragm sizes (large and small). ME3103 Sprague Rappaport Stethoscope features chrome-plated binaural and dual PVC tubing, which provides separate sound pathways for outstanding acoustical clarity. ME3103 Sprague Rappaport Type Stethoscope is offered in multiple colors and not made with natural rubber latex.