Stand On Lifting Base Regular For Push Pull Dynamometers Wheelchairs X Wide Assista Rail * A quarter Select Ear:Left Ear Assista Rail * A quarter length bed assist rail that allows for a fixed cane to be added as needs change provides a useful combination of bed safety with bed mobility * Fits twin to king size beds * Simple installation * Slide the Assista RailTM between the box spring and mattress secure to bed frame with mandatory safety strap An excellent choice for the prevention and treatment of pressure sores * The soft interconnected air cells allow for deep immersion providing constant low pressure across the entire seating surface * Adjustable air cells offer deep immersion to provide excellent pressure redistributino for tissue protection and treatment * Dual valve compartments address seating challenges such as pelvic obliquities sacral seating and enhances posture control * Both compartments can be adjusted indepedently to increase positioning and stability for side to side control * Nilon breathable cover with non skid bottom and safety straps * Easy to use hand held inflation pump * Flame resistant latex free neoprene * Patch kit included * Weight capacity: 500 lbs * Warranty: 5 year prorated * Floor lift platform includes 5' chain one snap oval and one threaded oval * Base measures 15 x 15