FeaturesThe portable Chair-Air AC/DC pump allows your patient to be totally mobile A rechargeable battery backup keeps this system working for more than 6 hours per charge, based on the patient's weight This unique alternating pressure mattress system allows for patients who are at high risk for pressure sores to be placed in a variety of mobile devices Patients are no longer confined to bed for the whole day due to risks of sitting without proper pressure redistribution Chair-air systems can be integrated into a geriatric chair, recliner or standard high-back wheelchair Multiple bladders gently alternate, providing low interface pressures Low shear, zippered multi-stretch moisture / vapor permeable top cover, non-skid bottom Cover is anti-microbial Chair-Air meets California Technical Bulletin #117 for fire retardancy SpecificationsManufacturer Bluechip Medical Application Geriatric Recliner Overlay System Color Blue Cover Material Vyvex III Dimensions 2-1/2 to 3-1/2 X 19 X 68 Inch Material Air Prop 65 No Type Alternating Pressure Weight Capacity 250 lbs. 1 Each / Each