Safety Pins #3 Bx 1440 Oxygen Accessories The Silence Fighter™ 🥊 is 14283 The Silence Fighter™ 🥊 is a Champion against the loss of hearing Combination adult size chestpiece precisely machined to exacting tolerances from surgical stainless steel for outstanding performance and rugged durability * Extra large bell (13 8 diameter) for unsurpassed low frequency response * Ultra sensitive diaphragm (17 8 diameter) for greater amplification and crisper high frequency response * Color coordinated non chill bell and diaphragm retaining rim for patient comfort * Stainless steel binaurals with double leaf internal spring fixed at 15ß angle for greater comfort * Reinforcing yoke molded into flexible 22 PVC Y tubing * Adsoft deluxe PVC eartips (in small and large) for the ultimate in wearing comfort and acoustic seal * Spare diaphragm included * Scope ID Tag included * Weighs 6 Size # 3 Small 1 13 4 * Nickle plated steel * 10 Packs of 144 per Box * Shipping Carton Size: 9 L x 7 W x 5 H