SelectAir low air loss mattress systems are a complete line that offers the most cost-effective alternative for skin protection and pressure sore prevention. - Reliable, whisper-quiet operation - Portable and lightweight - Low energy consumption - User-friendly control panel - Microprocessor controlled - Firm mattress mode with timer to facilitate nursing care during dressing change and patient repositioning - Custom sizes available. SelectAir System includes: SelectAir Pump, Mattress with foot pillow, zippered "Nylon" cover with foot pillow and a one-inch foam pad.