Invacare's Group I Therapeutic Support Surfaces are designed to aid in the prevention and treatment of pressure ulcers. The three types of modalities allow you to choose the right product for the individual user. Product types include alternating pressure overlays, static air overlays, and foam mattress replacements. All of these products are simple to use and easy to maintain.FeaturesAdvanced pump technology alternately inflates and deflates air cellsVariable pressure setting for added patient comfortPump can be mounted on the bed with built-in bracketDoes not contain latexLong end flaps secure pad to mattressSpecificationsProduct Weight Pump 3.5 lb Pad 4.6 lbOverall Length Pump 10 Pad 118 Overall Width Pump 6 Pad 34 Thickness Pump 4 Pad 2.5 Electrical Pump 115V, 160 Hz, 1A Pad N/ACode Approval Pump UL-1431 Pad N/AWarranty Pump 1 Year Pad 30 DaysProduct Weight Capacity 250 lb. NOTE All specifications, prices, and product configurations are subject to change without notification. Accessories and other products shown in the photographs are not necessarily included in the base price of pad. 1 Each / Each