The 3M Littmann L6179CF-BK Cardiology IV Champagne Finish Stethoscope features a Champagne finish chestpiece, Black Tube, and Smoke stem and headset. The single-piece diaphragm is easy to attach and easy to clean, with a smooth, crevice-free surface. It comes with tunable diaphragms on both the adult and pediatric sides of the chestpiece. The pediatric side can convert to an open bell by just removing the single-piece diaphragm and replacing it with a non-chill rim. The open bell stays clear of dirt and debris when covered by the small diaphragm. The next-generation tubing lasts longer, with improved resistance to skin oils and alcohol. No natural rubber latex or phthalate plasticizers are used in the tubing or any other component.