Stethoscope 3M Littmann
- Stainless steel chestpiece and aerospace alloy/anodized aluminum binaural
Classic II INFANT
- Diaphragm : 0.75 in
- Bell : 1.06 in
- Single tubing
Classic III
- Diaphragm : 1.3 in
- Bell : 1.7 in
- Single tubing
Cardiology IV
- Diaphragm : 1.3 in
- Bell : 1.7 in
- Dual-lumen tubing
ClassicII Pediatric
- Diaphragm : 1 in
- Bell : 1.31 นิ้ว in