They ensure a comfortable fit with excellent acoustic diaphragm and powder quoted screw on ring. It has single lumen tubing in a variety of popular colors.

Adult size chest piece Precisely Machined to exacting tolerance from surgical stainless steel for outstanding performance and rugged durability

Extra Large bell for unsurpassed low frequency response

Ultra - Sensitive Diaphragm for greater amplification

Color coordinated Non-Chill bell and Snap on RIng to retain diaphragm for patient comfort

Delux PVC eartips for the ultimate in wearing comfort and accoustic seal

Spare Diaphragm for pateint comfort

Custom molded 22" PVC "Y" Tubing

Including ID Tag

Three Year Warranty