Features chrome plated ``Trimflex`` binaural tubing assembly, zinc alloy adult dual-head chestpiece with plastic color coordinated retaining and non chill rings.

Features zinc alloy chrome plated chestpiece with ``Simplex`` binaural, 1 piece molded PVC tubing and color coordinated plastic retaining and non chill rings.

Features zinc alloy chrome plated chestpiece with ``Simplex`` binaural, 1 piece molded PVC tubing, metal retaining ring and color coordinated plastic non chill ring.

Innovative designed for optimum ausculation of fetal heart. It features chrome plated ``Trimflex`` binaural and stem with tubing, which conveniently plsitioned to facilitate use of the headrest.

Innovative designed for optimum ausculation of fetal heart. It features chrome plated ``Trimflex`` binaural and stem with tubing, which conveniently plsitioned to facilitate use of the headrest.

A chrome plated zinc alloy chestpiece with ``Simplex`` binaural, 1 piece molded PVC tubing and metal retaining ring.

A ``Duracote`` solid color zinc alloy chestpiece with ``Simplex`` binaural, 1 piece molded PVC tubing and color coordinated plastic retaining ring. Available in different colors and finishes.

A chrome plated zinc alloy chestpiece with ``Simplex`` binaural, 1 piece molded PVC tubing and metal retaining ring.

A ``Duracote`` solid color zinc alloy chestpiece with ``Simplex`` binaural, 1 piece molded PVC tubing and color coordinated plastic retaining ring. Available in different colors and finishes.