Sprague Professional Stethoscope McKesson 2-Tube 22 Inch Double-Sided Chestpiece

Sprague Professional Stethoscope McKesson 2-Tube 22 Inch Double-Sided Chestpiece Convertible chestpiece permits the use of five interchangeable chestpiece fittings -- an adult and pediatric diaphragm, and three bells (1-1/4 inch, 1 inch, 3/4 inch).Patented valve mechanism virtually eliminates acoustic leakage.Chestpiece key facilitates diaphragm replacement.Gasket-sealed system for improved acoustics.Double-tube configuration in 22 inch length for improved acoustic separation.Adjustable chrome-plated binaurals.Complete with an eight-piece accessory kit.Weighs 6 oz.Overall length 30 inches.Specifications:Application - Sprague StethoscopeBell Size 1-1/4 Inch / 1 Inch / 3/4 InchBinaurals Material- Adjustable Chrome - Plated Brass BinauralsChestpiece Material - Chrome Plated ChestpieceDiaphragm Diameter - 1-1/4 InchEar Pieces Type - 1 Pair PVC Ear Tips , 1 Pair Silicon Ear TipsHead Type - Double-Sided ChestpieceNumber of Tubes - 2Tube Type    - Double LumenTubing Length - 22 Inch TubeUse