3M™ 5870 Littmann® Classic III™ 聽診器，黑色耳管，彩虹色聽頭 27 inch

3M^TM 5870 Littmann® Classic III^TM 聽診器，黑色耳管，彩紅色聽頭，27吋

- Two-sided chestpiece with tunable diaphragms on both the adult and pediatric sides

- Single-piece tunable diaphragm is easy to attach and easier to clean because its surface is smooth without crevices

- Pediatric side converts to a traditional open bell by replacing the single-piece diaphragm with a non-chill rim