Roho Hi Profile Cushion 28 x18 X4.25 Single Valve

28 x 18 * Single compartment cushion * 4 air cells provide prevention and healing relief from ischemic ulcers (pressure sores) * Maximizes pressure distribution blood flow and nutrient exchange as well as shock and impact * Conforms to the body?s shape and adjusts to body changes over time * Includes cover * 2 year warranty