Protekt O2 Wheelchair Cushion 20 x18 x4 with Pump Physical Therapy * It includes such standard MSHQ 1594XL * It includes such standard features as Dove Gray Powder Coated Steel Frame paper holder and cutter adjustable leveling feet comfortable 2 medium density foam and heavy gauge expanded vinyl Match the probe cover and no smile symbol should be displayed on the LCD 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 *