Protekt O2 Wheelchair Cushion 18 x16 x4 with Pump Cushions Air Designed to easily fold to Color:Yellow Designed to easily fold to save space *Unit is only 10 wide when folded *Height adjustable from 28 to 41 *Fixed width dimension of 25 *1 ´ diameter stainless steel handrails for easy use and durability *Heavy gauge steel base plates uprights and fittings *Black powder coated chip and wear resistant finish *Each upright telescopes up in 1 ´ increments and locks into (10) height positions with fail safe ball tip locking pin *Weight Capacity: 400 lbs Slide tube powder coated silver vein steel frame 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 *