True low air loss combined with alternating pressure therapy. Additional features include automatic wireless fowler to prevent bottoming out when bed is articulated, and constant pressure monitoring to maintain comfort and recommended pressure therapy. Building on the true low air loss model benefits of improved air circulation, body temperature cooling and skin moisture management, the Invacare® microAIR® MA85 model increases the therapy with the addition of alternating pressure to reduce surface interface and offer pressure relief. Alternating pressure settings of 5, 10, 15, and 20 minutes are available on the MA85 unit. MA85RSR (Raised Side Rails available).