This Mattress Replacement System fits directly on any healthcare bed frame.The Supra is an easy to use system suitable for any long-term or homecare wound treatment protocol for prevention through stage 4 pressure ulcers.-Low Air Loss and Alternating Pressure combined for aggressive pressure ulcer treatment-Airpump is low maintenance, and extremely reliable-Bottom air cells stay inflated during power outages-Comes with carry bag for easy transport or storage-Supports patients up to 300 lbs.Advanced Low Air Loss & Alternating Pressure TherapySupra Low Air Losss Alternating Pressure Mattress System, With Air Cell Base. Similar To The Traditional Supra Mattress But This Uses An Air Cell Base Instead Of A Foam Base. Low Air Loss And Alternating Pressure Is Combined For Aggessive Pressure Ulcer Treatment Used For Stages Three And Four. Supports Patients Upto 300Lbs. Includes Nylon Duffel Carry Bag" Case Pack 1