Established 1997


Professional Dual-Frequency Stethoscope

item #: 42888

sku : 430

brand : Graham-Field

Professional Dual-Frequency Stethoscope

List price: $65.00

Quick Overview

  • Specially designed membrane lock, within the chestpiece, alters the diaphragm to achieve dual-frequency


This Professional Dual-Frequency Stethoscope comes armed with a one-of-a-kind membrane lock which alters the diaphragm within the chestpiece, achieving dual-frequency.

The stethoscope also features a comfortable, non-chill ring and 22" of latex-free Y-tubing. Backed by a lifetime warranty, the stethoscope comes with deluxe eartips as well as extremely lightweight, steel biaurals with an internal spring.


  • Zinc alloy single-sided chestpiece with dual-frequency diaphragm
  • Specially designed membrane lock, within the chestpiece, alters the diaphragm to achieve dual-frequency
  • Comfortable, non-chill ring
  • Lightweight, steel biaurals with internal spring
  • 22" latex-free Y-tubing
  • Deluxe eartips


Y tubing length 22″
Warranty Lifetime warranty

Customer Reviews


Return Policy

If you are not 100% satisfied with your product, we offer a full refund (on most products, see below).
To qualify for a return please note the following:

  • Product must be clean, unused and in its original packaging.
  • Return shipping costs are the responsibility of the customer
  • Items must be returned within 30 days

You must have a return authorization number to qualify for a return:
Please call us at 1-800-320-7140 Monday - Friday 9am to 5pm EST to obtain a return authorization number and a return address. Returns may not be sent to our corporate address

Full Refund

We offer full refund on all:
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  • Folding ultralightweight wheelchairs* (except for the 9000, etc)
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10% Restocking Fee

There is a 10% restocking fee on all:
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  • Volume sales
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15% Restocking Fee

There is a 15% restocking fee on all:
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  • Patient Lifts

Sorry, No Returns

We cannot accept returns on all:
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Open Box Specials

  • Open Box Specials are new products that were ordered incorrectly or may have slight imperfections. These Specials are non-returnable and do not include any in-home service.

Refused Deliveries/Packages

  • If packages are refused at the point of delivery, you will be responsible for the return shipping.