Used - Like New Sizewise EC_1100 Clinically effective low air loss with unique 1 in 3 alternation in a complete mattress replacement system. The alternating cycle time can be adjusted from 3 to 20 minutes in increments of one minute. This mattress helps alleviate pressure sores by alternating pressure and keeping the patient dry. Features high-strength air cells that are vented to provide low air loss therapy. This therapy keeps the patient dry and comfortable whether in alternation or static modes of operation. The air cells rest on a covered foam safety pad for added patient protection during power outages or patient transfer. The quilted top cover is highly vapor permeable and completely machine washable. The entire system is portable and fits on most standard medical bed frames. 2 other rails taken off for transfers. There are 4 Local delivery available at no charge.