Infants and children membrane stethoscope. Due to the "nose" as an oscillating head increases the sensitivity of the membrane clearly. Based on standard stethoscopes with 45 mm membrane and opposed funnels (25 or 30 mm). Has a dual-head chestpiece (switchable) made stainless steel. Included: replacement membrane no face and 4 soft ear tips. Black in stock. For other colors please allow extended shipping time. Product ID OR2