MDF Deluxe Dual-Head Stethoscope is a modified Dual-Head that resembles the performance of the MDF Stainless Steel Dual-Head, MDF777. The Bowles and deep cone-shaped Bell with a full-rotation Acoustic Valve Stem and enclosed Headset Spring provide sensitive acoustics and professional performance at an affordable price.
Chestpiece: Lightweight Dual-Head Chestpiece and Acoustic Valve Stem are constructed of aluminum and brass, respectively. The Diaphragm side is fitted with an Ultra-Thin Fiber Diaphragm and sealed by the Diaphragm Retaining Ring to produce optimum amplification and high frequency sound transmission of heart and lungs. The deep cone-shaped Bell detects acoustic sensitivity at low frequency sound transmission at 20-100 Hz. Both the Diaphragm and Bell are crowned with a non-chill durable PVC Diaphragm Retaining Ring and Bell Ring to provide greater patient comfort.
ErgonoMax Headset: Chrome-plated brass Headset Tubes and enclosed Headset Spring provide superior acoustic transmission. Handcrafted Headset, equipped with the MDF ComfortSeal Eartips, provides the anatomic fit for extended usage comfort.
Acoustic Tubing: Acoustic Tube in the Y-configuration is constructed of non-cracking, non-sticking high-density latex-free
PVC. Accessories: Additional (2) ComfortSeal Eartips, (1) ultra-sensitive Diaphragm and (1) ID tag. | 
