Medline Supra Cxc: 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-Air Pump 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. Supra Low Air Loss Alternating Pressure Mattress.