The most advanced Sprague available. The Cardio Sprague has the features of a traditional Sprague, but with a unique cardiology styling. Featuring a two tubes-in one design which provides extra crisp sound transmission, an interchangeable zinc alloy metal bell and diaphragm assembly, snap-on rims and diaphragms, two sizes of soft ear tips for added comfort, and a full accessory case. Lifetime Limited Warranty.

$39.99