Dynarex single dual and sprague stethoscopes are designed for the reliable detection of bodily sounds during patient assessments. Each stethoscope features a high-quality anodized aluminum chest piece with a non-chill ring for improved patient comfort. Molded ear tips and thick tubing minimizes background noises for greater acoustic clarity. Features ul style"margin-top0px; padding-top 5px; padding-bottom 5px;" effectively detects high and low frequencies medical-grade anodized aluminum chest piece with non-chill rim 22" flexible tubing not made with natural rubber latex 2 years warranty