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GRAHAM-FIELD HEALTH PRODUCTS, INC.
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The Cardiology Dual Frequency Stethoscope has a stainless steel single-sided chestpiece with dual-frequency diaphragm. It also has a specially designed membrane lock within the chestpiece that alters the diaphragm to achieve dual frequency. Firm pressure is applied to achieve high-frequency diaphragm response.
Graham-Field Cardiology Dual Frequency Stethoscope by GRAHAM-FIELD HEALTH PRODUCTS, INC. | Health Products For You - Graham-Field Cardiology Dual Frequency Stethoscope by GRAHAM-FIELD HEALTH PRODUCTS, INC.: The Cardiology Dual Frequency Stethoscope has a stainless steel single-sided chestpiece with dual-frequency diaphragm. It also has a specially designed membr...