The First Step TriCell™ mattress replacement system helps in the prevention and treatment of pressure ulcers. The First Step TriCell™ is a low air loss, pressure redistribution therapeutic system which is to be used in extended care and at home. The First Step TriCell™ mattress replacement system provides optimum comfort and skin management. The First Step TriCell™can be used for treatment of stage I and II pressure ulcers, it can also be used for treatment of stage III and IV pressure ulcers provided the patients is not at risk of additional skin breakdown. The First Step TriCell™can also be used for pain management. Other features of the First Step TriCell™ include ten inches of air support, three adjustable sections, power loss protection, advanced medical fabric and handheld control unit.