Wheelchair Half Tray Padded Flip Away Right Stand. Shape Dynamometers Accessories Lateral Rotation and True Low Wrist and Hand Lateral Rotation and True Low Air Loss in a portable system * 18 independent 9 deep air cells reduce interface pressure for the prevention and treatment of Stages I IV pressure ulcers * Lateral Rotation Therapy reduces the risk of pulmonary complications for patients who are immobile * Dual mode turning radius featuring a 25 degree small turn and a 40 degree big turn * User friendly controls and ease of set up make this system ideal for institutional use and the homebound patient * Designed to fit all standard hospital beds and includes a convoluted foam base head bolster and abduction wedge for additional patient safety * Supports patient weights up to 650 Lbs Response time: 500msec Dimensions: 22 (L) x 9 Right Side * 1 2 thick wood base covered with 1 thick foam * Upholstered with black molded satin vinyl * With adjustable height bracket * Flips up and and out of the way * With recessed cupholder * Half tray hardware is made to fit either desk length or full length arm pads