Relief-Care Pro Dual-Zone Foam Mattress w/SMT 42 x80 x7 42 x 80 x 7 * Custom and Bariatric Sizes Available * Uses advanced Surface Modification Technology to create a clinically effective support surface * SMT technology allows the manufacturer to produce a therapeutic dual-zone variable pressure foam support surface with varying features and properties * The pressure-relieving surface is engineered to provide the patient with a clinically effective mattress with low interface pressures * Design absorbs and distributes the impact-weight of the body to provide greater comfort maximum support and to relieve pressure around boney prominences * Medicare Code E0184