3M Littmann Cardiology IV Black 27 Stethoscope B P Parts Accessories Lifting weight capacity (unless noted Exercise Balls Lifting weight capacity (unless noted otherwise) 88 W * HCPCS Suggested Code: E0225 * High quality stainless steel * Thermostatically controlled temperature * 3 (8 cm) swivel type rubber casters for silent friction free movement of mobile units * Easy maintenence and simple to fill and drain Outstanding acoustics with better audibility of high frequency sounds (adult side firm pressure) * Tunable diaphragm: Hear high or low frequency sounds by slightly adjusting pressure on the chestpiece * Standard Finish Chestpiece Black Tube Stainless Stem and Headset * Dual lumen tubing: Two sound paths in one tube eliminates the rubbing noise of traditional double tubes * Next generation tubing lasts longer and resists stains * Not made with natural rubber latex or phthalate plasticizers * Headset is easily adjusted for individual fit and comfort * Angled eartubes align with ear canals * Seven year warranty provides greater peace of mind