ProCare® Transitional 172 Rigid Cervical Collar with Replacement Pads, 1 Each Irrigation Sleeves Threaded chestpiece drum of chrome Nerve Sensory Evaluator Access Threaded chestpiece drum of chrome plated zinc permits the use of five interchangeable chestpiece fittings an adult and pediatric diaphragm and three bells (11 4 1 3 4 ) for complete diagnostic capability in most patients * Latex free double tube configuration * Proprietary valve mechanism eliminates acoustic leakage * Adjustable chrome plated brass binaurals * Complete with an accessory pouch containing the bell chestpieces chestpiece key 2 spare diaphragms one pair of mushroom eartips and one pair of silicon eartips * Inspected and packaged in the U Soft absorbent foam pad enhances comfort and absorbs excess fluid Enhanced comfort using soft open cell foam pads wick moisture away from the skin to help promote proper hygiene and comfort while minimizing skin irritation