Alpha Relief Relieving Mattress Replacement System On Sale 5±3dB Average OSPL90 129±3dB Max MSHQ 530914G 5±3dB Average OSPL90 129±3dB Max Gain 80 * The extra large 22 x 60 workout surface and 3 Designed for individuals with a medium to high risk of developing pressure ulcers or with existing pressure ulcers up to and including stage III * Interface Pressure below 30mmHg for 80% of the cell cycle and below 20mmHg for at least 50% of the cell cycle * Modular cell construction * Manual Pressure Setting Control * Two way stretch vapor permeable cover which is water resistant and easy to clean * Intergrated air filter * Audible and visual alarms * Lightweight and compact pump * CPR facility * Transport Facility * Optimal Infection Control Design * Recommended weight limit is 360 Lbs 5 inflated * HCPC code: E0277