Cando Deluxe ABS Inflatable Ball 85cm (33.5 ) Blue Convalescent Care s AFD technology provides enhanced MSHQ 1594XL 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 * Cpr Quick Deflate Located At The Head Of The Mattress Made with a vinyl that is specially formulated to release air slowly if a sharp object like a pen or pencil accidentally punctures the ball * Non slip surface is ribbed for extra security * Mottled color differentiates it from standard balls * Can support up to 600 pounds (272kg) * Comes in a polybag *