Alternating Pressure Mattress Overlay Choose this 5 inch thick mattress overlay system for a cost effective option to alternating pressure mattress replacement systems. Low air loss in the sacral area helps keep patient cool and dry. * Slim, lightweight system offers a cost-effective alternative to alternating pressure mattress replacement systems. * 5 cells are constructed with soft yet durable Nylon/Polyurethane. * Nine laser cut low air loss cells in the sacral region are designed to keep patient cool and dry. * Pump adjustment from soft to firm increases patient comfort. * Includes low pressure indicator. * 265 lb maximum weight capacity. * Designed to meet the requirements of HCPCS code E0372. * 1 year limited warranty. This item ships from a separate warehouse and may require extra time for delivery.