About the product
- Combination pediatric chest piece precisely machined to exacting tolerances from surgical stainless steel for outstanding performance and rugged durability
- Extra large bell (1 1/8\" dia. ) for unsurpassed low frequency response
- 4 3/8\" diameter diaphragm for greater amplification and crisper high frequency transmission
- Non-chill bell and diaphragm retaining rim for patient comfort
- Reinforcing yoke molded into flexible 22\" PVC Y tubing
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