McKesson LUMEON Sprague Rappaport Scope has Convertible chestpiece which 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)
Chestpiece key facilitates diaphragm replacement
Double-tube configuration in 22 inch length for improved acoustic separation.
Gasket-sealed system for improved acoustics
Patented valve mechanism virtually eliminates acoustic leakage