Stainless steel double head model that offer unsurpassed quality and value. Features deep cone-shaped bell with ``UltraflexTM`` binaural tubing assembly and color coordinated trimmings.

Unique designed mercury reservoir for maximum safety handing, transporting and during storage. Features and easy to read 300 mm. Hg. scale, a durable clear tubing with dimension of 310 mm. (Length)

A roomy and sturdy metal case that accommodates storage of inflation system and stethoscope. It features an easy to read 300mm. Hg scale, durable clear tubing with demension of 301.6mm. (Length)

A budget model with a proven performance features ``TrimflexTM`` binaural tubing assembly and color coordinated retaining and non chill rings.

Features chrome plated adult dual head chestpiece, ``SimplexTM`` binaural, molded PVC tubing with color coordinated plastic retaining and non chill rings. Suitable for 2 persons making simultaneous d

An economy model features an easy to read 300mm. Hg. scale, durable clear tubing with dimension of 301.6mm. (Length) 8.7 mm. (Outside Diameter) 3.0 mm. (Inside Diameter) and lock device for t

All stainless steel metal parts, features patented multi-frequency ``Ring-O-RaisedTM`` diaphragm system, which allows the diaphragm to be pressed upon auscultation with matching ``UltraflexTM`` binau

Unique surface water resistant and soft lining, non-irritating and fiberglass free. Earloop and tie-on masks use 100% PP material, which is water-repellent, fiberglass-free, and has soft lining Suita

Unique surface water resistant and soft lining, non-irritating and fiberglass free. Earloop and tie-on masks use 100% PP material, which is water-repellent, fiberglass-free, and has soft lining Suita