Invacare microAIR MA80 True Low Air Loss and Pulse Therapy Mattress buy online. The Invacare® microAIR® MA80 mattress is a true low air loss system designed to manage moisture and promote healing of pressure ulcers from Stage I to Stage IV. It automatically adjusts pressure across five zones and offers pulse therapy settings. Key features include true low air loss, pulse therapy, customizable cycles, safety foam mat, constant pressure monitoring, manual and wireless fowler, side bolster option, audio and visual alarms, system lockout button, and a breathable mattress cover. Powered by a 1275 LPM blower, it provides efficient therapy cycles and quick setup.