HS-30C Sprague Rappaport Stethoscope
• Silver dual-membrane chestpiece: the big membrane with diameter 45.5mm is sensitive for sound collecting, while the small membrane is applicable for child.
• Zinc alloy chestpiece, excellent sound conduction, little acoustic attenuation.
• Standard dual PVC tube, well-sealed dual sound conduction channel, good resistance to ambient interference, color is optional.
• High quality rolled steel connecting spring, tightness is reasonable.
• Three plastic black bells of chestpiece are applicable for auscultating from adult to neonatal?embryocardia or cacophony of vas; two pair of ear tips with different hardness; two different size spare membranes.
• The attached transparent multi-pocket bag includes.
Packaging: each in box, 50pcs/carton