Non Latex Inflation System Adult Maternity Posture Support * Weight Capacity: 400 lbs Nasal Cannulas * Weight Capacity: 400 lbs (181kg)on hand rails 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 polyester fabric for long wear *Non latex cuffs are for those who are sensitive to rubber latex *Each The Aneroid Calibrated© V Lok© Inflation System consists of a non latex bulb Air Flo© control valve Latex or Non Latex bag and Calibrated© V Lok© Cuff *The Calibrated© V Lok© system clearly indicates whether or not the correct size cuff is being used *The center of the bladder is marked for correct application on either the right or left limb *Hook and loop fasteners are used to provide the optimal number of open close cycles *Cuffs conform to the shape of the limb and have no hard stiff edges *Cuffs are made of tightly woven heat set Dacron