ADSCOPE Adult Convertible Scope Black Physician Bags 3 year limited warranty 16 7136 3 year limited warranty 155 kgs Maximum Overall Length Convertible chestpiece provides adult diaphragm bell or adult pediatric diaphragm configurations Combination diaphragm bell adult chestpiece precisely machined to exacting tolerances from surgical stainless steel for outstanding performance and rugged durability ADC s AFD technology provides enhanced acoustic response: light pressure for low bell type frequency firm pressure for high diaphragm type frequency Extra large bell (1 3 8 diameter) for unsurpassed low frequency response Ultra sensitive diaphragm (1 3 4 diameter) for greater amplification and crisper high frequency response Non chill bell and diaphragm retaining rims for patient comfort Clinician headset boasts reinforcing yoke molded into flexible 22 PVC tubing and stainless steel binaurals fixed at 15ß angle for greater comfort Tubing is soft flexible and made without phthalates Adsoft