Roho Quadtro Select Cushion 15 x 18 x 4.25 Thera Band Exercise Band * Heavy duty flat free Two 1 inch urethane * Heavy duty flat free 8 front casters are adjustable in 3 positions * Extra heavy duty front forks * Reinforced side frame caster journals and dual cross bars * Comes with push to lock wheel locks * Limited Lifetime Warranty * 700 lb Designed for individuals with a medium to high risk of developing pressure ulcers or with existing pressure ulcers up to and including stage III * Interface Pressure below 30mmHg for 80% of the cell cycle and below 20mmHg for at least 50% of the cell cycle * Modular cell construction * Manual Pressure Setting Control * Two way stretch vapor permeable cover which is water resistant and easy to clean * Intergrated air filter * Audible and visual alarms * Lightweight and compact pump * CPR facility * Transport Facility * Optimal Infection Control Design * Recommended weight limit is 360 Lbs Cushion includes cover pump repair kit and operating instructions * Cushion is 8 cells wide x 10 cells deep * 3 year limited warranty