Prodigy Mattress System Roho Replacement Section Only 27x35 Auto Inflate Digital BP units of Paraffin * Lifetime Guaranteed Color:Yellow of Paraffin * Lifetime Guaranteed * Penetrating heat quickly soothes pain and stiffness due to arthritis joint stiffness and inflammation relaxes muscles and leaves the skin soft and smooth * Unit has the capacity to hold up to 9 Lbs wintergreen paraffin * Dimensions: * Inside Dimensions: 12 7 8 L x 6 3 4 W x 5 D * Outside dimensions: 14 1 4 L x 8 1 8 W x 7 3 4 D * Extra safety thermostat keeps the bath at 126 130 degrees F Blow molded plastic seat and back with textured finish Replacement Section 27 x 35 * Adjustable mattress overlay with interconnected air filled cells offers protection from breakdown and or Stage I or II ischemic ulcer * Complete 3 section system 80 x 35 with pump and patch kit * 1 year limited warranty