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 bodyÊs shape and adjusts to body changes over time * Includes cover * 2 year warranty