ConvaTec Foam Dressing Aquacel® Foam Pro 6-3/4 X 8 Inch With Border Waterproof Film Backing Silicone Adhesive Sacral Sterile #421579Features AQUACEL Foam Pro has a protective top layer smooth, breathable polyurethane film that handles the evaporation (MVTR) of the absorbed wound fluid It protects the wound from contamination, which reduces the risk of infection The core of the bandage is a multi layer foam bandage with Hydrofiber technology that maintains a good microclimate on the skin In addition, with vertical absorption, which traps the wound fluid in the bandage, and reduces