Duo Adjustable Back Support All Elastic Large 34 38 Aneroid Blood Pressure 5v Pneumatic Otoscope with Specula Ships From:FL, USA 5v Pneumatic Otoscope with Specula (Head Only) is Ultra sealed for pneumatic otoscopy * An instrument that provides 30% brighter whiter light output and a rotating lens with ultra seal for pneumatic otoscopy * Halogen HPX lamp for 30% more light output for true tissue color and consistent long lasting illumination * Rotating lens with ultra seal allows for pneumatic otoscopy * Fiber optic illumination produces cool light * Large * Fits knee circum 34 38 * Both provide excellent abdominal and LS Support * Duo Tension straps customize compression and support * Flexible stays help prevent rolling and provide additional support * All elastic for most compression and support * Color: Beige * Measurement is hip circumference Fits hip cicum